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Los árboles filogenéticos
Phylogenetic trees come in many forms. It matters in which sequence the organisms are arranged from the bottom to the top of the tree, but the…
Las condiciones en la Tierra primitiva
Around 4 billion years ago, oceans began to condense on earth while volcanic eruptions released nitrogen, carbon dioxide, methane, ammonia, and…
La colonización de la tierra.
Changes in the environment of the early Earth drove the evolution of organisms. As prokaryotic organisms in the oceans began to photosynthesize, they…
¿Qué es la historia evolutiva?
Scientists record evolutionary history by analyzing fossil, morphological, and genetic data. The fossil record documents the history of life on Earth…
La evidencia de la evolución
Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the…
El registro fósil
The fossil record documents only a small fraction of all organisms that have ever inhabited Earth. Fossilization is a rare process, and most…
Evolución convergente
Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection…
Muy largo leer la secuencia para el análisis de la DNA de Genomic entero
Third generation single-molecule DNA sequencing technologies offer significantly longer read length that can facilitate the assembly of complex…
Procedimiento para Adaptive Laboratory Evolución de microorganismos utilizando un quimiostato
Natural evolution involves genetic diversity such as environmental change and a selection between small populations. Adaptive laboratory evolution…
Wholemount hibridación In Situ de embriones de <em>Astyanax</em>
In recent years, a draft genome for the blind Mexican cavefish (Astyanax mexicanus) has been released, revealing the sequence identities for…
Manipulación de la función del Gene en mexicano Cavefish
Cave animals provide a compelling system for investigating the evolutionary mechanisms and genetic bases underlying changes in numerous complex…

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