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Dispersals and genetic adaptation of Bantu-speaking populations in Africa and North America

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Science  05 May 2017:
Vol. 356, Issue 6337, pp. 543-546
DOI: 10.1126/science.aal1988

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On the history of Bantu speakers

Africans are underrepresented in many surveys of genetic diversity, which hinders our ability to study human evolution and the health of modern populations. Patin et al. examined the genetic diversity of Bantu speakers, who account for one-third of sub-Saharan Africans. They then modeled the timing of migration and admixture during the Bantu expansion. The analysis revealed adaptive introgression of genes that likely originated in other African populations, including specific immune-related genes. Applying this information to African Americans suggests that gene flow from Africa into the Americas was more complex than previously thought.

Science, this issue p. 543

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