TOPIC_4_how_fast_natural_selection rev

TOPIC_4_how_fast_natural_selection rev - IV Cryptic...

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1 Biology of Being Human TOPIC 4 Paul M. Bingham Joanne Souza H H o o w w a a n n d d h h o o w w f f a a s s t t d d o o e e s s n n a a t t u u r r a a l l s s e e l l e e c c t t i i o o n n w w o o r r k k i i n n s s e e x x u u a a l l a a n n i i m m a a l l s s l l i i k k e e u u s s ? ? Key Terms and Concepts (see glossary in digital textbook): Chromosome Genetic variation Cryptic genetic variation Mutation Allele Natural selection/Darwinian selection Sexual reproduction Asexual reproduction Gamete Haploid Diploid Independent assortment Crossing over (recombination) Vehicle Design information = genetic design information Germline (design information) and Soma (vehicle) Genotype and Phenotype
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2 Lecture Outline: “How and how fast does natural selection work in sexual animals like us? I. How do genes build animals? II. Understanding everything we see – historicity III. How does sexual reproduction work?
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Unformatted text preview: IV. Cryptic variation and sexual reproduction V. Visualizing evolution in a sexual animal population VI. The consequences of evolution in sexual populations – exquisitely sophisticated but quirkily idiosyncratic adaptation VII. Evolution by natural selection in sexual populations can be extremely rapid VIII. The most important insight of all – natural selection builds all parts of the vehicle, including brains and the detailed behaviors they control 3 Key Images for TOPIC 4: The logic of genetic design information building animal vehicles 4 5 6 One of many, many examples of the kinds of cryptic variation that can exist in sexual populations 7...
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This note was uploaded on 02/21/2012 for the course BIO 358 taught by Professor N/a during the Spring '08 term at SUNY Stony Brook.

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TOPIC_4_how_fast_natural_selection rev - IV Cryptic...

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