Question

The following is a theoretical example. You are studying a part of the world where humans have lived for 50 thousand years, but agriculture appeared 7 thousand years ago. You compare mtDNA haplotypes of a) local hunter-gatherer smaples from 10 thousand years ago, b) local modern populations (i.e., people living there today), and c) 10 thousand year old samples of people that lived in the neighboring area where agriculture first originated. You find that local modern population mtDNA haplogroups are related closely to the 10ky agriculturalist haplogroups, but are not related closely to the 10ky hunter-gatherer haplogroups. Does this evidence support acculturation or gene flow (and potentially displacement) as the major basis for the expansion of agriculture into the region of the world that you are studying? Explain why in three sentences or less.

Answer 1

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