Anthropological Genetics: Inferring the History of Our Species Through the Analysis of DNA |
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Authors: | Jason A Hodgson Todd R Disotell |
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Institution: | (1) Department of Anthropology, Center for the Study of Human Origins, New York University, 25 Waverly Place, New York, NY 10003, USA; |
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Abstract: | The genetic material, deoxyribonucleic acid (DNA), contains information about the evolutionary history of life. Both the relationships
amongst organisms and the times of their divergence can be inferred from DNA sequences. Anthropological geneticists use DNA
sequences to infer the evolutionary history of humans and their primate relatives. We review the basic methodology used to
infer these relationships. We then review the anthropological genetic evidence for modern human origins. We conclude that
modern humans evolved recently in Africa and then left to colonize the rest of the world within the last 50,000 years, largely
replacing the other human groups that they encountered. Modern humans likely exchanged genes with Neanderthals prior to or
early during their expansion out of Africa. |
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