Chapter 21 Lecture

Chapter 21 Lecture - Development and Evolutionary Change...

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Development and Development and Evolutionary Change Evolutionary Change
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Evolution and Development Evolution and Development Charles Darwin Descent with modification Similarities vs. differences Embryos infer similarities between groups of organisms
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The Merging of Two Disciplines The Merging of Two Disciplines Embryology The study of the embryo and its development How does it form? Genetics The study of how traits are passed on through generations What genes determine that trait? Evolutionary developmental Biology - study how changes in the developmental genes affect the adult - study how the genes have changed
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Developmental Genes Developmental Genes Genes that control development are highly conserved Eye formation Genes for forming embryos in vertebrates and invertebrates are homologous Genes are not the whole story
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Modularity Modularity Embryos and adults are made up of modules Self-contained units Modules can be changed independently of each other
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Chapter 21 Lecture - Development and Evolutionary Change...

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