Anthropology5_Problem_Set_7

Anthropology5_Problem_Set_7 - Anthropology 005 Introduction...

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Anthropology 005 Introduction to Physical Anthropology Problem Set # 7: The origin of Homo sapiens and its races. 1. Races are geographic subspecies. A. How much variation do you expect to see within, as compared to between different races of a single species? Originally I expected to see more variation between species than within, but it turns out that there is actually more within-group variation than as compared to a different species. In humans there is 85% human genetic variation within groups and only 15% between. B. What pattern of within- and between-race variation do we observe in common chimps? Common chimps have a much lower percentage of variation within groups, but a high percentage between. C. What pattern of within- and between-race variation do we observe in modern humans? Modern humans have a high variation within groups (85%) and low percentage (15%) between. D. Given that we have a much larger geographic range, why is the human species as a whole less genetically variable than the chimp species? We have a more recent common ancestor. Chimps have been around longer than humans, so
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Anthropology5_Problem_Set_7 - Anthropology 005 Introduction...

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