ARCH 131 Lecture Notes - Lecture 4: Bonobo, Common Chimpanzee, Abo Blood Group System
13 Jun 2017
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Lorises & galagos: africa, south and east asia. Less cognitively & behaviourally complex than other haplorhines. African great apes: gorillas, chimps, bonobos, humans. Adaption, gene flow, & drift: forces acting on human variation. Human geographical variation through the lens of biology anthropology. Ability to tolerate heat, cold, hypoxia Geographical patterns of human variation thru the lens of biological anthropology: it"s clinal, it reflects recent dispersal. May 18/2017: most of it is neutral: genetic drift plays a much more bigger role than selection in distinguishing groups. A cline = a continuum from one extreme to the other. Neighbouring groups are more similar than distant groups. Variation between groups is gradual, not abrupt. Different characteristics follow different gradients (they don"t all map to the same patterns) Ancient movements and serial founder effects reflected in distribution of genetic markers; How do we use snps to study variation. The more snps they share, the more closely related they are.
