ANT 185 Final Exam
Spencer Wells
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American geneticist whose book The Journey of Man explains how genetic data has been used to trace human migrations over the past 50,000 years, when modern humans first migrated outside of Africa. He believes we originated from a small tribe in Africa and our differences are due to melanin/lack of sunscreen at the time. Wells concluded the Y chromosome, the male sex-determining chromosome proposes that all humans alive today are descended from a single man.
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