{"id":4608,"date":"2025-07-23T17:09:57","date_gmt":"2025-07-23T17:09:57","guid":{"rendered":"https:\/\/schools.jove.com\/?p=4608"},"modified":"2026-07-22T15:40:35","modified_gmt":"2026-07-22T15:40:35","slug":"mendels-law-of-dominance-visual-genetics-for-middle-school","status":"publish","type":"post","link":"https:\/\/schools.jove.com\/mendels-law-of-dominance-visual-genetics-for-middle-school\/","title":{"rendered":"Explaining Mendel\u2019s Law of Dominance with Simple Visuals"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"4608\" class=\"elementor elementor-4608\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ef3dc91 e-flex e-con-boxed e-con e-parent\" data-id=\"ef3dc91\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-081d7dd elementor-widget elementor-widget-heading\" data-id=\"081d7dd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Explaining Mendel\u2019s Law of Dominance with Simple Visuals\n<\/h1>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7090152 e-flex e-con-boxed e-con e-parent\" data-id=\"7090152\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-44ee0c2 elementor-widget elementor-widget-text-editor\" data-id=\"44ee0c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/www.jove.com\/schools\/v\/19036\/mendel-s-law-of-dominance\"><span style=\"font-weight: 400;\">Mendel\u2019s law of dominance<\/span><\/a><span style=\"font-weight: 400;\"> explains why one trait may appear over another when organisms inherit genes from each parent.<\/span><\/p><p><span style=\"font-weight: 400;\">For <\/span><a href=\"https:\/\/www.jove.com\/schools\/solutions\/middle-school\/\"><span style=\"font-weight: 400;\">middle school<\/span><\/a><span style=\"font-weight: 400;\"> students, this law is where abstract science starts to click \u2014 especially when it&#8217;s supported by color-coded visuals, <\/span><a href=\"https:\/\/www.jove.com\/schools\/science-video\/concept-video\/\"><span style=\"font-weight: 400;\">JoVE concept videos<\/span><\/a><span style=\"font-weight: 400;\">, and hands-on modeling. Here&#8217;s how to break it down so that your students not only remember it \u2014 they understand it.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e308475 e-flex e-con-boxed e-con e-parent\" data-id=\"e308475\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6d91503 elementor-widget elementor-widget-heading\" data-id=\"6d91503\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What Is Mendel\u2019s Law of Dominance?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f8aa59f e-flex e-con-boxed e-con e-parent\" data-id=\"f8aa59f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1e1dcc5 elementor-widget elementor-widget-text-editor\" data-id=\"1e1dcc5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/www.jove.com\/schools\/v\/19036\/mendel-s-law-of-dominance\"><span style=\"font-weight: 400;\">Mendel\u2019s law of dominance <\/span><\/a><span style=\"font-weight: 400;\">states that when two different alleles (gene versions) are inherited, one may mask the effect of the other.<\/span><\/p><p><span style=\"font-weight: 400;\">In simpler terms:<\/span><\/p><p><span style=\"font-weight: 400;\">If a dominant gene (<\/span><a href=\"https:\/\/schools.jove.com\/pea-plants-genetics\/\"><span style=\"font-weight: 400;\">like tall in pea plants<\/span><\/a><span style=\"font-weight: 400;\">) is present, it will \u201cwin out\u201d over a recessive gene (like short).<\/span><\/p><p><span style=\"font-weight: 400;\">This is why students may look more like one parent than the other \u2014 it depends on the mix of dominant and recessive genes they inherit.<\/span><\/p><p><span style=\"font-weight: 400;\">Use <\/span><a href=\"https:\/\/www.jove.com\/schools\/science-video\/\"><span style=\"font-weight: 400;\">JoVE videos<\/span><\/a><span style=\"font-weight: 400;\"> to show how dominant alleles are expressed at the cellular level while recessive ones remain hidden unless both copies are recessive.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8203760 e-flex e-con-boxed e-con e-parent\" data-id=\"8203760\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a4ce115 elementor-widget elementor-widget-heading\" data-id=\"a4ce115\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Dominant and Recessive Traits Explained\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8d199c3 e-flex e-con-boxed e-con e-parent\" data-id=\"8d199c3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-17af355 elementor-widget elementor-widget-text-editor\" data-id=\"17af355\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Here\u2019s how to get dominant and recessive traits explained in a way middle schoolers will retain:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dominant traits only need one copy to be seen<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Recessive traits must have two identical alleles to appear<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Traits are determined by gene pairs (alleles) \u2014 one from each parent<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><\/ul><h3><b>Real-World Examples:<\/b><\/h3><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Dominant:<\/b><span style=\"font-weight: 400;\"> Brown eyes, ability to roll tongue<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Recessive:<\/b><span style=\"font-weight: 400;\"> Blue eyes, attached earlobes<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">This lays the foundation for understanding<\/span><a href=\"https:\/\/www.jove.com\/schools\/v\/19646\/genotype-and-phenotype\"><span style=\"font-weight: 400;\"> genotype and phenotype<\/span><\/a><span style=\"font-weight: 400;\"> \u2014 a key NGSS concept.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a657b98 e-flex e-con-boxed e-con e-parent\" data-id=\"a657b98\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e0b5642 elementor-widget elementor-widget-heading\" data-id=\"e0b5642\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How to Teach Mendel\u2019s Law of Dominance to Middle School Students\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6a691d6 e-flex e-con-boxed e-con e-parent\" data-id=\"6a691d6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3bfad8d elementor-widget elementor-widget-text-editor\" data-id=\"3bfad8d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Here\u2019s a simple step-by-step approach to how to teach<\/span><a href=\"https:\/\/www.jove.com\/schools\/v\/19036\/mendel-s-law-of-dominance\"><span style=\"font-weight: 400;\"> Mendel\u2019s law of dominance<\/span><\/a><span style=\"font-weight: 400;\"> to<\/span><a href=\"https:\/\/www.jove.com\/schools\/solutions\/middle-school\/\"><span style=\"font-weight: 400;\"> middle school <\/span><\/a><span style=\"font-weight: 400;\">students:<\/span><\/p><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Use a clear example (e.g., tall vs. short pea plants)<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Introduce symbols: T = tall (dominant), t = short (recessive)<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Draw a Punnett square<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Match outcomes to phenotypes<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><\/ol><p><a href=\"https:\/\/www.jove.com\/schools\/v\/11966\/punnett-squares-for-genetic-analyses\"><span style=\"font-weight: 400;\">JoVE\u2019s video on Punnett squares <\/span><\/a><span style=\"font-weight: 400;\">aligns with this format, showing crosses like TT \u00d7 tt and interpreting genotype combinations.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-aba150d e-flex e-con-boxed e-con e-parent\" data-id=\"aba150d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4a03b32 elementor-widget elementor-widget-heading\" data-id=\"4a03b32\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Punnett Square Examples That Reinforce the Concept\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3b2cf0b e-flex e-con-boxed e-con e-parent\" data-id=\"3b2cf0b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9fe7b31 elementor-widget elementor-widget-text-editor\" data-id=\"9fe7b31\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Use these Punnett square examples in class to reinforce the law:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">TT \u00d7 tt \u2192 All Tt (tall)<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tt \u00d7 Tt \u2192 TT, Tt, Tt, tt \u2192 3 tall : 1 short ratio<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tt \u00d7 tt \u2192 50% tall, 50% short<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">You can build a simple genetics chart for classroom use to visualize these patterns or have students color-code genotypes and phenotypes.<\/span><\/p><p><span style=\"font-weight: 400;\">Pair with <\/span><a href=\"https:\/\/www.jove.com\/schools\/science-video\/curriculum-alignment\/\"><span style=\"font-weight: 400;\">curriculum aligned JoVE videos<\/span><\/a><span style=\"font-weight: 400;\"> that animate each cross \u2014 helping students \u201csee\u201d the<\/span><a href=\"https:\/\/schools.jove.com\/teachinginheritance-with-fast-growing-plants\/\"><span style=\"font-weight: 400;\"> inheritance process step by step.<\/span><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-320f98c e-flex e-con-boxed e-con e-parent\" data-id=\"320f98c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c53539f elementor-widget elementor-widget-heading\" data-id=\"c53539f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Visual Activity for Dominant vs Recessive Genes\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0cb18b5 e-flex e-con-boxed e-con e-parent\" data-id=\"0cb18b5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4e8f445 elementor-widget elementor-widget-text-editor\" data-id=\"4e8f445\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Try this visual activity for dominant vs recessive genes to make the concept stick:<\/span><\/p><h3><b>Trait Token Game<\/b><\/h3><p><b>Materials:<\/b><span style=\"font-weight: 400;\"> Colored beads or cards labeled T and t<\/span><span style=\"font-weight: 400;\"><br \/><\/span><b>What to Do:<\/b><\/p><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Each student draws two alleles from a cup<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">They record their genotype and determine the resulting phenotype<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chart the class data for patterns<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><\/ol><p><span style=\"font-weight: 400;\">This gamifies why dominant traits appear in offspring, helping students see the law in action.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dc639eb e-flex e-con-boxed e-con e-parent\" data-id=\"dc639eb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9c6baf1 elementor-widget elementor-widget-heading\" data-id=\"9c6baf1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion: Make Mendel Memorable with Visual Tools\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-22e2aa1 e-flex e-con-boxed e-con e-parent\" data-id=\"22e2aa1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e3f33ee elementor-widget elementor-widget-text-editor\" data-id=\"e3f33ee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/www.jove.com\/schools\/v\/19036\/mendel-s-law-of-dominance\"><span style=\"font-weight: 400;\">Mendel\u2019s law of dominance<\/span><\/a><span style=\"font-weight: 400;\"> may be 150+ years old, but it remains one of the most relevant concepts in biology.<\/span><\/p><p><span style=\"font-weight: 400;\">By pairing<\/span><a href=\"https:\/\/www.jove.com\/schools\/v\/11966\/punnett-squares-for-genetic-analyses\"><span style=\"font-weight: 400;\"> Punnett squares<\/span><\/a><span style=\"font-weight: 400;\">, classroom simulations, and <\/span><a href=\"https:\/\/www.jove.com\/schools\/\"><span style=\"font-weight: 400;\">JoVE videos<\/span><\/a><span style=\"font-weight: 400;\">, you can simplify this complex idea for your students \u2014 and make it fun, interactive, and memorable.<\/span><\/p><p><span style=\"font-weight: 400;\">\ud83c\udf93<\/span><a href=\"https:\/\/share.hsforms.com\/1FyaUdqz3T3yuF-IuUZXDfwc2eur\"><span style=\"font-weight: 400;\"> Book a Free Demo <\/span><\/a><span style=\"font-weight: 400;\">to explore JoVE\u2019s full video series on Mendelian genetics \u2014 including dominance, segregation, and real-world trait applications for middle school classrooms.<\/span><\/p><p><span style=\"font-weight: 400;\">Bring JoVE to your classroom starting <\/span><span style=\"font-weight: 400;\">as low as<\/span><span style=\"font-weight: 400;\"> $2 per student.*<\/span><\/p><p><span style=\"font-weight: 400;\">Explore <\/span><a href=\"https:\/\/20267955.fs1.hubspotusercontent-na1.net\/hubfs\/20267955\/K12%20Schools\/K12%20Funding%20Resources%20Flyer_2025.pdf\"><span style=\"font-weight: 400;\">funding resources <\/span><\/a><span style=\"font-weight: 400;\">\u00a0to learn how your school can start using JoVE\u2019s complete STEM video library today.<\/span><\/p><p><i><span style=\"font-weight: 400;\">*Pricing based on 1,500 students.<\/span><\/i><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Explaining Mendel\u2019s Law of Dominance with Simple Visuals Mendel\u2019s law of dominance explains why one trait may appear over another [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4667,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[63],"tags":[],"class_list":["post-4608","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ngss-standards"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.8 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Mendel&#039;s Law of Dominance Classroom Guide | JoVE K12<\/title>\n<meta name=\"description\" content=\"Teach Mendel&#039;s Law of Dominance with JoVE K12 visuals that help students connect alleles, dominant traits, and inheritance patterns clearly across lessons.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.jove.com\/schools\/mendels-law-of-dominance-visual-genetics-for-middle-school\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mendel&#039;s Law of Dominance Classroom Guide | JoVE K12\" \/>\n<meta property=\"og:description\" content=\"Teach Mendel&#039;s Law of Dominance with JoVE K12 visuals that help students connect alleles, dominant traits, and inheritance patterns clearly across lessons.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.jove.com\/schools\/mendels-law-of-dominance-visual-genetics-for-middle-school\" \/>\n<meta property=\"og:site_name\" content=\"JoVE for K12\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-23T17:09:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-22T15:40:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/schools.jove.com\/wp-content\/uploads\/2025\/07\/Explaining-Mendels-Law-of-Dominance-with-Simple-Visuals-1-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Nikita\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Explaining Mendel\u2019s Law of Dominance with Simple Visuals\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nikita\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.jove.com\\\/schools\\\/mendels-law-of-dominance-visual-genetics-for-middle-school#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/schools.jove.com\\\/mendels-law-of-dominance-visual-genetics-for-middle-school\\\/\"},\"author\":{\"name\":\"Nikita\",\"@id\":\"https:\\\/\\\/schools.jove.com\\\/#\\\/schema\\\/person\\\/0ff4cdbe99d2228eccf9650bf05d0ce3\"},\"headline\":\"Explaining Mendel\u2019s Law of Dominance with Simple Visuals\",\"datePublished\":\"2025-07-23T17:09:57+00:00\",\"dateModified\":\"2026-07-22T15:40:35+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/schools.jove.com\\\/mendels-law-of-dominance-visual-genetics-for-middle-school\\\/\"},\"wordCount\":601,\"image\":{\"@id\":\"https:\\\/\\\/www.jove.com\\\/schools\\\/mendels-law-of-dominance-visual-genetics-for-middle-school#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/schools.jove.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/Explaining-Mendels-Law-of-Dominance-with-Simple-Visuals-1-1.png\",\"articleSection\":[\"NGSS Standards\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/schools.jove.com\\\/mendels-law-of-dominance-visual-genetics-for-middle-school\\\/\",\"url\":\"https:\\\/\\\/www.jove.com\\\/schools\\\/mendels-law-of-dominance-visual-genetics-for-middle-school\",\"name\":\"Mendel's Law of Dominance Classroom Guide | JoVE K12\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/schools.jove.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.jove.com\\\/schools\\\/mendels-law-of-dominance-visual-genetics-for-middle-school#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.jove.com\\\/schools\\\/mendels-law-of-dominance-visual-genetics-for-middle-school#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/schools.jove.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/Explaining-Mendels-Law-of-Dominance-with-Simple-Visuals-1-1.png\",\"datePublished\":\"2025-07-23T17:09:57+00:00\",\"dateModified\":\"2026-07-22T15:40:35+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/schools.jove.com\\\/#\\\/schema\\\/person\\\/0ff4cdbe99d2228eccf9650bf05d0ce3\"},\"description\":\"Teach Mendel's Law of Dominance with JoVE K12 visuals that help students connect alleles, dominant traits, and inheritance patterns clearly across lessons.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.jove.com\\\/schools\\\/mendels-law-of-dominance-visual-genetics-for-middle-school#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.jove.com\\\/schools\\\/mendels-law-of-dominance-visual-genetics-for-middle-school\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.jove.com\\\/schools\\\/mendels-law-of-dominance-visual-genetics-for-middle-school#primaryimage\",\"url\":\"https:\\\/\\\/schools.jove.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/Explaining-Mendels-Law-of-Dominance-with-Simple-Visuals-1-1.png\",\"contentUrl\":\"https:\\\/\\\/schools.jove.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/Explaining-Mendels-Law-of-Dominance-with-Simple-Visuals-1-1.png\",\"width\":1920,\"height\":1080,\"caption\":\"Explaining Mendel\u2019s Law of Dominance with Simple Visuals\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.jove.com\\\/schools\\\/mendels-law-of-dominance-visual-genetics-for-middle-school#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/schools.jove.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Explaining Mendel\u2019s Law of Dominance with Simple Visuals\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/schools.jove.com\\\/#website\",\"url\":\"https:\\\/\\\/schools.jove.com\\\/\",\"name\":\"JoVE for K12\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/schools.jove.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/schools.jove.com\\\/#\\\/schema\\\/person\\\/0ff4cdbe99d2228eccf9650bf05d0ce3\",\"name\":\"Nikita\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/53c75525e86112c7ea0538346bc0d46d38de452f1042e3722927383fa7606ff8?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/53c75525e86112c7ea0538346bc0d46d38de452f1042e3722927383fa7606ff8?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/53c75525e86112c7ea0538346bc0d46d38de452f1042e3722927383fa7606ff8?s=96&d=mm&r=g\",\"caption\":\"Nikita\"}}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Mendel's Law of Dominance Classroom Guide | JoVE K12","description":"Teach Mendel's Law of Dominance with JoVE K12 visuals that help students connect alleles, dominant traits, and inheritance patterns clearly across lessons.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.jove.com\/schools\/mendels-law-of-dominance-visual-genetics-for-middle-school","og_locale":"en_US","og_type":"article","og_title":"Mendel's Law of Dominance Classroom Guide | JoVE K12","og_description":"Teach Mendel's Law of Dominance with JoVE K12 visuals that help students connect alleles, dominant traits, and inheritance patterns clearly across lessons.","og_url":"https:\/\/www.jove.com\/schools\/mendels-law-of-dominance-visual-genetics-for-middle-school","og_site_name":"JoVE for K12","article_published_time":"2025-07-23T17:09:57+00:00","article_modified_time":"2026-07-22T15:40:35+00:00","og_image":[{"width":1920,"height":1080,"url":"https:\/\/schools.jove.com\/wp-content\/uploads\/2025\/07\/Explaining-Mendels-Law-of-Dominance-with-Simple-Visuals-1-1.png","type":"image\/png"}],"author":"Nikita","twitter_card":"summary_large_image","twitter_title":"Explaining Mendel\u2019s Law of Dominance with Simple Visuals","twitter_misc":{"Written by":"Nikita","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.jove.com\/schools\/mendels-law-of-dominance-visual-genetics-for-middle-school#article","isPartOf":{"@id":"https:\/\/schools.jove.com\/mendels-law-of-dominance-visual-genetics-for-middle-school\/"},"author":{"name":"Nikita","@id":"https:\/\/schools.jove.com\/#\/schema\/person\/0ff4cdbe99d2228eccf9650bf05d0ce3"},"headline":"Explaining Mendel\u2019s Law of Dominance with Simple Visuals","datePublished":"2025-07-23T17:09:57+00:00","dateModified":"2026-07-22T15:40:35+00:00","mainEntityOfPage":{"@id":"https:\/\/schools.jove.com\/mendels-law-of-dominance-visual-genetics-for-middle-school\/"},"wordCount":601,"image":{"@id":"https:\/\/www.jove.com\/schools\/mendels-law-of-dominance-visual-genetics-for-middle-school#primaryimage"},"thumbnailUrl":"https:\/\/schools.jove.com\/wp-content\/uploads\/2025\/07\/Explaining-Mendels-Law-of-Dominance-with-Simple-Visuals-1-1.png","articleSection":["NGSS Standards"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/schools.jove.com\/mendels-law-of-dominance-visual-genetics-for-middle-school\/","url":"https:\/\/www.jove.com\/schools\/mendels-law-of-dominance-visual-genetics-for-middle-school","name":"Mendel's Law of Dominance Classroom Guide | JoVE K12","isPartOf":{"@id":"https:\/\/schools.jove.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.jove.com\/schools\/mendels-law-of-dominance-visual-genetics-for-middle-school#primaryimage"},"image":{"@id":"https:\/\/www.jove.com\/schools\/mendels-law-of-dominance-visual-genetics-for-middle-school#primaryimage"},"thumbnailUrl":"https:\/\/schools.jove.com\/wp-content\/uploads\/2025\/07\/Explaining-Mendels-Law-of-Dominance-with-Simple-Visuals-1-1.png","datePublished":"2025-07-23T17:09:57+00:00","dateModified":"2026-07-22T15:40:35+00:00","author":{"@id":"https:\/\/schools.jove.com\/#\/schema\/person\/0ff4cdbe99d2228eccf9650bf05d0ce3"},"description":"Teach Mendel's Law of Dominance with JoVE K12 visuals that help students connect alleles, dominant traits, and inheritance patterns clearly across lessons.","breadcrumb":{"@id":"https:\/\/www.jove.com\/schools\/mendels-law-of-dominance-visual-genetics-for-middle-school#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.jove.com\/schools\/mendels-law-of-dominance-visual-genetics-for-middle-school"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.jove.com\/schools\/mendels-law-of-dominance-visual-genetics-for-middle-school#primaryimage","url":"https:\/\/schools.jove.com\/wp-content\/uploads\/2025\/07\/Explaining-Mendels-Law-of-Dominance-with-Simple-Visuals-1-1.png","contentUrl":"https:\/\/schools.jove.com\/wp-content\/uploads\/2025\/07\/Explaining-Mendels-Law-of-Dominance-with-Simple-Visuals-1-1.png","width":1920,"height":1080,"caption":"Explaining Mendel\u2019s Law of Dominance with Simple Visuals"},{"@type":"BreadcrumbList","@id":"https:\/\/www.jove.com\/schools\/mendels-law-of-dominance-visual-genetics-for-middle-school#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/schools.jove.com\/"},{"@type":"ListItem","position":2,"name":"Explaining Mendel\u2019s Law of Dominance with Simple Visuals"}]},{"@type":"WebSite","@id":"https:\/\/schools.jove.com\/#website","url":"https:\/\/schools.jove.com\/","name":"JoVE for K12","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/schools.jove.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/schools.jove.com\/#\/schema\/person\/0ff4cdbe99d2228eccf9650bf05d0ce3","name":"Nikita","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/53c75525e86112c7ea0538346bc0d46d38de452f1042e3722927383fa7606ff8?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/53c75525e86112c7ea0538346bc0d46d38de452f1042e3722927383fa7606ff8?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/53c75525e86112c7ea0538346bc0d46d38de452f1042e3722927383fa7606ff8?s=96&d=mm&r=g","caption":"Nikita"}}]}},"_links":{"self":[{"href":"https:\/\/schools.jove.com\/wp-json\/wp\/v2\/posts\/4608","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/schools.jove.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/schools.jove.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/schools.jove.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/schools.jove.com\/wp-json\/wp\/v2\/comments?post=4608"}],"version-history":[{"count":0,"href":"https:\/\/schools.jove.com\/wp-json\/wp\/v2\/posts\/4608\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/schools.jove.com\/wp-json\/wp\/v2\/media\/4667"}],"wp:attachment":[{"href":"https:\/\/schools.jove.com\/wp-json\/wp\/v2\/media?parent=4608"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/schools.jove.com\/wp-json\/wp\/v2\/categories?post=4608"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/schools.jove.com\/wp-json\/wp\/v2\/tags?post=4608"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}