evodevonotes1-31

evodevonotes1-31 - Anth 143: Evo-Devo Outline evo devo...

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Evo-Devo Outline – evo devo A common “tool kit” of genes DNA “switches” o Example of lac operon Process of development o “primitive streak,” organizer, morphogens o Examples of Kartagener’s Syndrome, spina bifida, anencephaly “Monsters” Homeosis, Homeotic genes, Hox genes Cyclopia Back to Retin A (accutane) Phenotypic Plasticity—easier for these types of animals to change (ex. Canadian Red Squirrels, N.A. Mosquitoes) Every animal is the product of evolution and development Development – process of turning egg into adult/mature form (“ontogeny”) Evolution- “phylogeny” study of evolutionary relatedness b/t org.s (relationships b/t diff members of genetic tree (ex. ppl and annelid worms??) Evo-devo=evolutionary-development biology ^ study embryos/use ontogeny to learn about evolutionary development BMP4—FOP, finches, cichlids all have in common. Finches w/ big, thick beaks have more BMP4 expressed (signals bone to grow (in beak))
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evodevonotes1-31 - Anth 143: Evo-Devo Outline evo devo...

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