News & Analysis12th International Congress of Human Genetics

X-tra Diversity for Africans

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Science  04 Nov 2011:
Vol. 334, Issue 6056, pp. 582-583
DOI: 10.1126/science.334.6056.582-b

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Summary

Compared with Europeans and Asians, Africans have extra diversity on their X chromosomes, according to an invited lecture at the meeting. The lack of diversity in non-Africans may be the legacy, handed down for thousands of generations, of there having been fewer women than men in the bands of modern humans who first left Africa to colonize the rest of the world.