Name: pcr: dna amplification for genetics labs
Uploaded: 2021-04-07T12:12:00.000Z
Duration: 1 min 32 s
Channel: JoVE

K12 Standards

Tennessee Academic Standards

High School

Biology

links-among-engineering-technology-science-and-society

Links Among Engineering, Technology, Science, and Society

BIO1.ETS2.1

PCR - Polymerase Chain Reaction

PCR 즉폴리메라아제 연쇄 반응의 목표는유전 서열을 증폭시키는 것이다이 예에서관심 유전자가 정제 DNA로부터증폭이 된다증폭을 실행하기 위해서새로운 DNA를 합성할 폴리메라아제가 필요하다시발체도 필요한데, 이는 관심 유전자와동종인 단일 가닥 DNA의짧은 조각이다, 마지막으로새로운 가닥을 만드는데디옥시 뉴클레오티드 3인산(dNTP)이라는단일 뉴클레오티드가 필요하다PCR에서의 첫 단계는혼합물을 가열하여DNA를 변성시키는 것이다다음은 반응이 식어지면서시발체가 동종 지역에 부착된다일단 결합하면, 폴리메라아제에최적이 되게 반응이 가열된다그러면 폴리메라아제가시발체 DNA 복합물을 인지하고새로운 가닥 합성을 시작하는데용액 내의 dNTP를 이용한다그 다음 반응이 가열되고설명한 대로 추가 순환이진행된다3번째 순환 후에총 8개의 유전자 복사가 생기고4번째 순환 후에는 16개그리고 5번째 후에는 32가 된다복사본의 숫자는 계속 기하급수적으로 증가한다30 순환 후에는 10억개가 넘는다

가리비안(Garibyan), 릴리트(Lilit), 니디 아바시아(Nidhi Avashia). "Research Techniques Made Simple: Polymerase Chain Reaction (PCR)." The Journal of Investigative Dermatology 133, no. 3 (March 2013): e6. [<a href="https://doi.org/10.1038/jid.2013.1" target="__blank">소스</a>]

기도, 레슬리 A. "생명 공학 혁명 : PCR 및 발현 유전자를 복제하기위한 역 전사 효소의 사용." 자연 교육 1, no. 1 (2008) : 94. [<a href="https://www.nature.com/scitable/topicpage/the-biotechnology-revolution-pcr-and-the-use-553" target="__blank">출처</a>]

pcr - 폴리메라이제 연쇄 반응

<h4>개요</h4>
 
 중합효소연쇄반응(polymerase chain reaction, 줄여서 PCR)은 DNA를 복제하는 데 널리 사용되는 기법입니다. PCR은 기하급수적인 증폭을 통해 단 몇 시간 내에 수백만 또는 수십억 개의 DNA 복사본을 생성할 수 있습니다. PCR 반응은 내열성 DNA 중합효소가 중합효소연쇄반응기(thermocycler)라고 불리는 자동화 기계에서 내부의 일련의 온도 변화를 통해 원본 DNA를 증폭시킵니다.
 
 <h4>PCR은 분자 생물학에 혁명을 일으켰습니다</h4>
 
 캐리 멀리스(Kary Mullis)는 1983년 PCR을 개발해 1993년 노벨 화학상을 받았습니다. DNA 서열을 복사하는 비교적 빠르고 저렴하고 정확한 방법이기 때문에 PCR은 분자 클로닝(molecular cloning), 유전자 돌연변이유도(gene mutagenesis), 병원균 검출, 유전자 발현 분석, DNA 정량 및 서열 분석, 유전 질환 진단 등 수많은 분야에서 응용되는 매우 귀중한 도구가 되었습니다.
 
 <h4>PCR 반응 주기</h4>
 
 PCR은 세포에서 일어나는 자연 DNA 복제 과정을 모방합니다. 반응 혼합물은 복제될 주형(template) DNA 서열, 프라이머(primer; 시발체)라고 불리는 한 쌍의 짧은 DNA 분자, 데옥시뉴클레오타이드삼인산(deoxynucleotide triphosphate, 줄여서 dNTP)이라고 불리는 자유 DNA 구성요소, 그리고 특수 DNA 중합효소(DNA polymerase; DNA 폴리머레이스)를 포함합니다.
 
 PCR은 고온에서 이뤄지는 일련의 단계를 수반하며, 따라서 고온에서 기능하는 DNA 중합효소 효소가 필요합니다. 가장 일반적으로 사용되는 DNA 중합효소는 Taq 중합효소이며, 해당 중합효소가 처음 발견되었던 박테리아인 Thermus aquaticus의 이름을 따서 명명되었습니다. DNA 중합효소는 DNA 분자를 처음부터 합성할 수 없으며, 상보적인 염기쌍을 통해 DNA 주형에 결합하는 프라이머라고 불리는 짧은 DNA 분자에서 합성을 시작할 수 있습니다. 프라이머는 DNA 중합효소가 새로운 dNTP를 부착할 수 있는 3’ 수산기(hydroxyl group)를 제공합니다. PCR에는 네 가지 종류의 dNTP가 있는데, DNA 분자의 각 뉴클레오타이드(nucleotide)에 해당하는 dATP, dCTP, dGTP, 그리고 dTTP가 있습니다.
 
 각 PCR 주기는 변성, 결합, 연장, 이렇게 세 단계로 구성됩니다
 
 <ol>
 <li>변성(denaturation): PCR 주기는 반응 혼합물을 고온으로 가열하여 DNA 이중 나선을 두 가닥으로 분리하며 시작됩니다. 이렇게 “녹이는” 과정은 보통 90°에서 100°C 정도에서 이뤄집니다.</li>
 <li>결합(annealing): 반응 혼합물은 빠르게 냉각되어(보통 50°C–65°C까지) 두 프라이머가 주형 DNA 가닥의 상보 서열에 결합할 수 있게 만듭니다.</li>
 <li>연장(DNA synthesis; primer extension): 반응 혼합물은 다시 가열되며, 이번에는 DNA 중합효소가 주형 가닥의 염기와 짝을 이루는 dNTP를 추가하여 프라이머를 연장할 수 있는 온도(보통 60°C–75°C)까지 가열됩니다.</li>
 </ol>
 
 일반적인 PCR에는 중합효소연쇄반응기에서 발생하는 이 세 단계의 주기가 20-40회 정도 반복됩니다. 각 주기에서 DNA 분자의 수가 두 배로 증가하기 때문에, DNA는 기하급수적으로 증폭됩니다.
 
 <h4>PCR의 한계</h4>
 
 유전체의 특정한 구간을 증폭시키고 싶다면 적절한 프라이머를 설계하기 위해 적어도 표적 DNA 염기서열의 일부를 알아야 합니다. 또 다른 잠재적인 문제는 부분적으로 유사한 DNA 서열에 대한 프라이머의 비특이적인 결합으로, 이는 비표적 DNA의 증폭으로 이어집니다. 이 문제는 반응 조건을 최적화하여 제어할 수 있습니다. PCR은 매우 민감한 검출 방법이기 때문에 오염에 취약하며, 미량의 오염 DNA가 들어가도 잘못된 결과를 낼 수 있습니다. 또한, PCR에 사용되는 DNA 중합효소는 오류를 일으키기 쉽습니다. 만약 돌연변이가 처음 몇 주기 안에 일어난다면, 대부분의 증폭된 DNA가 돌연변이를 가지게 됩니다.

PCR - 폴리메라이제 연쇄 반응

개요

중합효소 연쇄 반응(polymerase chain reaction, PCR)은 DNA의 분절을 복사하는 데 널리 사용되는 기술입니다. 지수 증폭으로 인해 PCR은 ...

Education

교육

JoVE Core

Molecular Biology

분자생물학

Unit 2

제2단원

Studying DNA and RNA

DNA와 RNA 연구

KEY TERMS AND CONCEPTS

주요 용어 및 개념

pcr: dna amplification for genetics labs

PCR is a DNA amplification method used in genetics labs. PCR stands for polymerase chain reaction. It copies a specific DNA segment so scientists can study small amounts of genetic material.

The process uses repeated heating and cooling steps. These steps let the DNA strands separate, primers bind to the target region, and a DNA polymerase build new strands. With each cycle, the target DNA can increase in amount.

PCR is a core technique in molecular biology and many school-level biology topics. It helps students connect DNA structure with laboratory methods used to analyze genetic information.

PCR: DNA Amplification for Genetics Labs

recombinant dna

Recombinant DNA and Gene Cloning

Recombinant DNA and gene cloning are tools used to combine DNA from different sources. Scientists use them to isolate a gene, join it to a carrier DNA molecule, and make copies of that DNA. A plasmid is one common carrier used in this process. A plasmid is a small ring of DNA found in bacteria, and it can carry the inserted gene into a host cell. Once inside the cell, the recombinant DNA can be copied as the cell grows. This approach is important in biotechnology and genetic research. It...

dna isolation

Genomic DNA Extraction Methods

Genomic DNA extraction methods separate DNA from proteins, RNA, and other cell material. The process usually follows four main steps. First, the cell structure is disrupted with mechanical or chemical methods to make a cell lysate. Then the DNA is protected from damage during processing. After that, the soluble DNA is separated from cell debris. Finally, the purified DNA is eluted, or washed out, for later use. DNA isolation can follow two main approaches: solution-based methods or solid-phase...

dna agarose gel electrophoresis

Purifying DNA Bands from Agarose Gels

Agarose gel electrophoresis can be used to purify DNA bands after separation by size. In gel extraction, the DNA fragment of interest is cut from the gel and cleaned before later use. This is especially useful in cloning, where pure DNA is needed before ligation, the joining step that links DNA pieces together. In cloning experiments, both the insert and vector DNA fragments are first cut with restriction endonucleases. These fragments often contain enzymes, salts, and other contaminants. Such...

labeling dna probes

DNA Probe Labels for Detecting Targets

DNA probes are short DNA fragments with a reporter tag attached so they can be detected or purified. They bind to matching nucleic acid sequences by complementary base-pairing. That binding helps researchers recover or identify specific regions of DNA. Several reporter tags are commonly used to label DNA probes. These include radioisotopes, fluorophores, and small molecule binding partners such as biotin or digoxigenin. The label choice depends on the probe’s intended use and on the source of...

southern blot

Southern Blot for DNA Detection

Southern blotting is a DNA detection method used after agarose gel electrophoresis separates DNA fragments by size. A DNA ladder with fragments of known length is run beside the sample so the fragment size can be estimated. The blot adds another step when scientists need to confirm the sequence identity of the DNA. First, the target DNA is cut into smaller pieces with a restriction endonuclease and run on an agarose gel. The DNA is then denatured, which means the double strands are separated...

dna microarrays

Gene Chips for Comparing Cell Activity

DNA microarrays are gene chips used to compare gene activity in different conditions. They are high-throughput assays, which means they can analyze large amounts of data at once. They are also relatively inexpensive and can be automated, making them useful for genome-wide studies. These chips are built on glass or silica slides. Probe molecules are covalently attached to the surface through surface functionalization. In many cases, the slides are prepared by chemisorption of silanes to silica...

complementary dna

Making cDNA from RNA Templates

Complementary DNA, or cDNA, is made from an RNA template. It is a DNA copy of RNA, so it can help students study gene expression in a lab setting. cDNA is useful when scientists want to work with genes after they have been turned on in a cell. Because it is copied from RNA, it reflects which genes were active at the time the RNA was collected. This process links RNA and DNA in a simple way. It also gives students a clear view of how genetic information can be copied for analysis.

fish - fluorescent in-situ hybridization

FISH for Chromosome and Pathogen Detection

FISH is a DNA and RNA detection method used in cytogenetics and medical testing. FISH stands for fluorescence in situ hybridization. It uses labeled probes that bind to complementary DNA or RNA sequences on a chromosome or inside a cell. The method was developed in the early 1980s and became widely used because it can show specific genetic targets with high detail. In the past, probes were made by cloning or by reverse transcription of a DNA template. Today, probe oligonucleotides can also be...

pcr - polymerase chain reaction

PCR is a DNA amplification method used in genetics labs. PCR stands for polymerase chain reaction. It copies a specific DNA segment so scientists can study small amounts of genetic material. The process uses repeated heating and cooling steps. These steps let the DNA strands separate, primers bind to the target region, and a DNA polymerase build new strands. With each cycle, the target DNA can increase in amount. PCR is a core technique in molecular biology and many school-level biology...

real time rt-pcr

Real-Time RT-PCR for Gene Expression Tracking

Real-time RT-PCR tracks gene expression by measuring how much target DNA is made during PCR. It starts with mRNA, which is converted into complementary DNA, or cDNA, by an enzyme called reverse transcriptase. The cDNA is then amplified by PCR so the target sequence can be measured. This method can be done in one tube as a single-step reaction or in two separate steps. During amplification, the amount of product is followed in real time with fluorescent dyes or sequence-specific probes linked...

race - rapid amplification of cdna ends

Finding cDNA Ends with RACE PCR

Rapid Amplification of cDNA Ends, or RACE, helps scientists capture the full-length cDNA from an mRNA sequence. It works by linking a known internal region to the unknown sequence at either the 5' end or the 3' end. The method is widely used when the missing end of a gene needs to be identified. RACE uses a gene-specific primer that binds to the known cDNA region. A hybrid primer then adds a set anchor sequence to the unknown end of the cDNA. After that, PCR amplifies the DNA segment between...

sanger sequencing

How Sanger Sequencing Reads DNA Fragments

Sanger sequencing reads DNA fragments by separating pieces of different lengths and decoding the order of bases. It is a key method in biology and is often used to study a cloned DNA fragment, a gene mutation, or even much larger genomes. Fredrick Sanger and his collaborators developed the chain-termination method in 1977. The method works by producing a mixture of DNA fragments with variable sizes. These fragments are then separated by capillary gel electrophoresis, which sorts them by length.

next-generation sequencing

DNA Sequencing Methods and Uses

DNA sequencing methods can read millions of DNA fragments at the same time. Next-generation sequencing made this process much faster and much less expensive than older methods. The first human genome project cost $2.7 billion and took 15 years. It was completed in 2003 after major international cooperation among research teams and funding agencies. To prepare DNA for next-generation sequencing, pure genomic DNA is first broken into smaller pieces. These pieces are used to build a sequencing...

rna-seq

RNA-Seq Workflow and Data Analysis

RNA sequencing, or RNA-Seq, is a high-throughput method for studying the transcriptome of a cell. The transcriptome is the full set of RNA molecules in a sample. Transcriptomics helps scientists understand how genomes work, how organisms develop, and how some diseases occur. Before RNA-Seq, researchers often used microarray methods and Sanger sequencing to study RNA. Microarrays had limited coverage and depended on already knowing the genome sequence. Sanger sequencing was low-throughput,...

genome annotation and assembly

How Genome Assemblies Are Updated

Genome assembly and genome annotation are key steps in genome analysis. Genome assembly puts DNA sequencing data back in the correct order to make a close copy of the original genome. Genome annotation then identifies functional parts on that assembled genome. Assembling a genome is not simple. In human populations, gene copy number can vary, and repeated DNA sequences can make the process harder. Even so, the physical location of human genes stays constant. Bacterial genomes can be more...

restriction enzymes

DNA Cutting Sites and Bacterial Defense

Restriction enzymes are bacterial proteins that cut DNA at specific sequence sites. They recognize palindromic DNA sequences, also called inverted repeats, and cut the DNA in a sequence-specific way. These sites are often found in regions with important functions, such as the origin of replication, gene operator sites, and transcription termination signals. Bacteria protect their own DNA by methylating these same sites. Methylation means adding chemical marks that keep the restriction enzyme...

maxam-gilbert sequencing

Chemical Cleavage DNA Sequencing

Chemical cleavage DNA sequencing uses specific chemicals to cut DNA at known sites. Allan Maxam and Walter Gilbert described this method in the same year that the Sanger sequencing method was discovered. It reads the DNA sequence by breaking purified DNA into fragments and then studying the fragment pattern. The method depends on chemicals that cleave DNA at specific bases. The resulting fragments are separated by electrophoresis, which is a way to sort DNA pieces by size using an electric...

key terms and concepts

Learn how PCR amplifies a specific DNA segment through heating, cooling, primers, and DNA polymerase in genetics and molecular biology labs.

PCR: DNA Amplification for Genetics Labs | JoVE K12

molecular biology

JoVE Core 분자생물학은 명확하고 간결한 애니메이션을 통해 분자 단계에서 일어나는 세포 과정을 설명합니다.또한, 과학자가 직접 실험을 진행하는 실사 영상을 통해 분자생물학 개념의 응용 사례를 보여줍니다.

Florida Department of Education

Life Science

SC.912.L.16

SC.912.L.16.12

Texas Essential Knowledge and Skills

BIO.7

BIO.7.D

myJoVE Corporation

Molecular Cloning

Molecular cloning is a set of methods, which are used to insert recombinant DNA into a vector - a carrier of DNA molecules that will replicate recombinant ...

An Overview of Genetic Engineering

Genetic engineering &#8211; the process of purposefully altering an organism&#8217;s DNA &#8211; has been used to create powerful research tools and model ...

Recombineering and Gene Targeting

One of the most widely used tools in modern biology is molecular cloning with restriction enzymes, which create compatible ends between DNA fragments that ...

Genome Editing

A well-established technique for modifying specific sequences in the genome is gene targeting by homologous recombination, but this method can be ...

Recombinant DNA

DNA Ligation Reactions

In molecular biology, ligation refers to the joining of two DNA fragments through the formation of a phosphodiester bond.  An enzyme known as a ligase ...

Restriction Enzyme Digests

Restriction enzymes or endonucleases recognize and cut DNA at a specific sequence.  These enzymes occur naturally in bacteria as a defense against ...

DNA Isolation

DNA isolation protocols can be fast and straightforward or complex and time-consuming depending on the type and quality of DNA required for further ...

Restriction Enzymes

Restriction enzymes are bacterial enzymes used to cut DNA in a sequence-specific manner. To cleave DNA, they bind to specific palindromic sequences called ...

DNA Agarose Gel Electrophoresis

Agarose gel electrophoresis is a laboratory technique commonly used to separate DNA fragments by size. However, it can also be used to isolate and purify ...

DNA Gel Electrophoresis

DNA gel electrophoresis is a technique used for the detection and separation of DNA molecules. An electric field is applied to a gel matrix comprised of ...

Separating Protein with SDS-PAGE

Sodium Dodecyl Sulfate Poly-Acrylamide Gel Electrophoresis, or SDS-PAGE, is a widely-used technique for separating mixtures of proteins based on their ...

Plasmid Purification

Plasmid purification is a technique used to isolate and purify plasmid DNA from genomic DNA, proteins, ribosomes, and the bacterial cell wall. A plasmid ...

Gel Purification

Gel purification is used to recover DNA fragments after electrophoretic separation. DNA recovery from an agarose gel includes three basic steps: binding, ...

Real Time RT-PCR

Real-time reverse transcription-polymerase chain reaction, or Real-time RT-PCR, is an analytical tool used to determine the expression level of target ...

RACE - Rapid Amplification of cDNA Ends

Rapid Amplification of cDNA Ends, or RACE, is one of the most effective methods to obtain a full-length cDNA from an mRNA sequence between a known ...

PCR: The Polymerase Chain Reaction

The polymerase chain reaction, or PCR, is a technique used to amplify DNA through thermocycling &#8211; cyles of temperature changes at fixed time ...

bacterial-transformation-the-heat-shock-method

Bacterial Transformation: The Heat Shock Method

Transformation is the process that occurs when a cell ingests foreign DNA from its surroundings. Transformation can occur in nature in certain types of ...

Bacterial Transformation: Electroporation

The term &#x201C;transformation&#x201D; refers cellular ingestion of foreign DNA.  In nature, transformation can occur in certain types of bacteria.  In ...

An Introduction to Transfection

Transfection is the process of inserting genetic material, such as DNA and double stranded RNA, into mammalian cells. The insertion of DNA into a cell ...

Labeling DNA Probes

DNA probes are fragments of DNA labeled with a reporter tag to enable their detection or purification. The resulting labeled DNA probes can then hybridize ...

Southern Blot

Agarose gel electrophoresis is very useful in separating DNA fragments by size. Running a DNA ladder containing fragments of the known length alongside ...

DNA Microarrays

Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in ...

An Overview of Gene Expression

Gene expression is the complex process where a cell uses its genetic information to make functional products. This process is regulated at multiple ...

Expression Profiling with Microarrays

Microarrays are important tools for profiling gene expression, and are based on complementary binding between probes that are attached to glass chips and ...

Complementary DNA

FISH - Fluorescent In-situ Hybridization

Fluorescence in situ hybridization, or FISH, was developed in the early 1980s and has quickly become one of the most widely used techniques in ...

Sanger Sequencing

DNA sequencing is a fundamental technique that is routinely used in the biological sciences. This method can be applied to a range of questions at ...

Maxam-Gilbert Sequencing

In the same year as the discovery of the Sanger sequencing method, another group of scientists, Allan Maxam and Walter Gilbert, demonstrated their ...

Next-generation Sequencing

The first human genome sequencing project cost $2.7 billion and was declared complete in 2003, after 15 years of international cooperation and ...

Chromatin Immunoprecipitation- ChIP

Chromatin immunoprecipitation, or ChIP, is an antibody-based technique used to identify sites on DNA that bind to transcription factors of interest or ...

RNA-seq

RNA sequencing, or RNA-Seq, is a high-throughput sequencing technology used to study the transcriptome of a cell. Transcriptomics helps to interpret the ...

Synthetic Biology

Synthetic biology is an interdisciplinary science that involves using principles from disciplines such as engineering, molecular biology, cell biology, ...

Genome Annotation and Assembly

The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base ...

Ribosome Profiling

Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences ...

The ELISA Method

An enzyme-linked immunosorbent assay (ELISA) is typically performed to detect the presence and/or amount of a target protein of interest within an ...

Transgenic Plants

Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically ...

Transgenic Organisms

Gene Therapy

Reproductive Cloning

CRISPR

Experimental RNAi

RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. ...

Reporter Genes

Reporter genes are a type of&#160;protein-coding gene&#160;that are often tagged to a gene of interest. Once inside a target cell, reporter genes usually ...

In-situ Hybridization

In situ hybridization (ISH) is a technique used to detect and localize specific DNA or RNA molecules in cells, tissue, or tissue sections using a labeled ...

Obtain, evaluate, and communicate information on how molecular biotechnology may be used in a variety of fields.
EXPLANATION: The goal is to help students appreciate that the basic science knowledge being studied can be manipulated and used to design useful tools for further scientific investigations, medical treatments, agricultural yields, etc. A detailed understanding of any technical procedures is not expected, but rather a "big picture" view of concepts the technology utilizes and the applications the technology is being used for. These technologies may be best investigated along with the standards from LS1 From Molecules to Organisms: Structure and Functions, as the students are learning about DNA and protein. Comparative DNA and protein sequence analysis is also a large part of current phylogenic research and could accompany LS4 Biological Change: Unity and Diversity. Students may also consider the pros and cons of biotechnical applications. Investigation of techniques utilized could come from field trips to witness the use of these techniques in practice, lab exercises, virtual labs, simulation activities, interviews with professionals, etc. Molecular techniques could include: PCR, electrophoresis, restriction enzyme digestion of DNA, DNA sequencing, plasmid-based transformation, transfection, etc. These techniques are used in fields of medicine, agriculture, biomedical engineering, forensic science, etc.

Karyotyping

Lampbrush Chromosomes

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Polytene Chromosomes

Polytene chromosomes are giant interphase chromosomes with several DNA strands placed side by side. They were discovered in the year 1881 by Balbiani in ...

Euchromatin

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Heterochromatin

X and Y Chromosomes

Among mammals, the gender of an organism is determined by the sex chromosomes. Humans have two sex chromosomes, X and Y. Every human diploid cell has 22 ...

The Y Chromosome Determines Maleness

The Y chromosome is a sex chromosome&#160;found in several vertebrates and mammals, including humans. In addition to 22 pairs of autosomes, the human ...

The Ratio of X Chromosome to Autosomes

In most organisms, sex is determined by the ratio of X and Y chromosomes. However, in some organisms, such as Drosophila and C.elegans, sex is determined ...

Investigate means by which karyotypes are utilized in diagnostic medicine.
EXPLANATION: Engineers incorporate growing scientific knowledge in order to increase benefits to humans and decrease cost and risks. Karyotyping technology and its use in medical diagnosis can complement the standards from LS3: Hereditary: Inheritance, and Variation of Traits, as the students are learning about chromosomal organization of genomic information that determines one's phenotype. Analyze a large set of karyotypes to identify common patterns. Identify variations from the most commonly observed patterns and correlate them with patient phenotypes to propose a cause and effect relationship, discussing limitations of correlative data interpretation.

BIO1.ETS2.2

Whole Body Regeneration

Regeneration is the process of restoring injured or lost tissues, organs, or&#160;body parts. While simpler organisms generally show greater ability to ...

Liver Regeneration

The liver is an important organ in vertebrates that plays an essential role in metabolism. It is also responsible for storing and redistributing nutrients ...

stem-cell-therapy-for-tissue-regeneration

Stem Cell Therapy for Tissue Regeneration

Stem cell therapy is a method used in regenerative medicine to repair and restore function to&#160;damaged tissues and organs. Stem cells have the ...

Introduction to Nuclear Reprogramming

Nuclear reprogramming is the process of switching gene expression of one cell type to that of another cell type, usually from a differentiated cell state ...

Methods of Nuclear Reprogramming

Nuclear reprogramming is a process of transforming one cell type into an unrelated cell type by epigenetic changes that alter the cell&#8217;s original ...

Analyze scientific and ethical arguments to support the pros and cons of applications of a specific biotechnology technique such as stem cell usage, in vitro fertilization, or genetically modified organisms.
EXPLANATION: The utilization of new technologies in any field of science is dependent on both economic and social factors. In addition to evaluating these factors, scientists must also consider long-term consequences that may not be initially apparent. The emphasis should be on the construction of a rationale argument that supports a position on the use of an application with ethical and social impact. Students should begin to appreciate the differences in ethical values that exist, and recognize that discussion of these values is imperative as knowledge and technology continue to advance, even when resolutions of differences can be rare. After investigation of a specific biotechnology application, students can write a position paper and/or participate in a classroom debate.

BIO1.ETS2.3

PCR: DNA Amplification for Genetics Labs

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