10 ppt - Limits of Change Directional Selection o Direction...

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7/8/10 Limits of Change? Directional Selection o Direction is context dependent, not based on intrinsic values and can limit variation Species o Interbreeding population that can produce offspring that can ie and reproduce Speciation o Formation of a new species—subgroups of a species that are no longer able to produce offspring that can live and reproduce Recombination A parent’s genotype can be sorted in 8 million ways Looking alike does NOT equal being closely related Big part of variation Primates Our closest living relatives Provides comparative behavioral data They give us a better understanding of evolution and selection How social organization relates to different evolutionary forces o Social complexity Sexual dimorphism o Males and females are a drastically different size Evolutionary Similarities Analogies: similarities arising as a result of similar selective forces— convergent evolution o Ex: bird and bat wings Homologies: traits inherited from a common ancestor (the basis for
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This note was uploaded on 02/13/2011 for the course ANTHRCUL 101 taught by Professor Kirsch during the Summer '08 term at University of Michigan.

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10 ppt - Limits of Change Directional Selection o Direction...

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