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Unformatted text preview: (Haploids). gametrs (oocyte or spermatocyte plus polar bodies) Chromosomes (23 pairs) Some diploid chromosome karyotypes- Humans = 46- Chimpanzees = 48- Gorillas = 48- Gibbons = Reproductive Asymmetry- in higher animals, males have a fvastly greater reproductive potential than females do, and males also have a vastly greater potential variance in reproductive success.- this asymmetry has led to the evolution of very different strategies of reproduction in males versus females. Sexual Selection (Darwin 1871)- Differential reproductive success among the members of the same sex.- Sexual Selection causes males and females to evolve different body sizes, shapes and features (canine teeth, musculature, antlers, manes, etc.) = Sexual Dimorphism Male weapons Canine Teeth, sexual displays Body Size...
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This note was uploaded on 09/03/2009 for the course ANTH 200 taught by Professor Stanford during the Fall '08 term at USC.
- Fall '08