Study raises questions about roots of lactose tolerance in Africa

Science | AAAS | 5/30/2019 | Staff
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About 5500 years ago—around the same time herding of animals like cattle, sheep, and goats began in Europe—the practice was also catching on in East Africa. Now, a new study reveals how such pastoralism spread throughout the region.

Researchers examined ancient DNA from 41 individuals who lived in what are now Kenya and Tanzania. According to past archaeological research, the first herders moved into East Africa about 5000 years ago; the genetics show they had ancestry from both the Near East and what is now Sudan. But unlike the Yamnaya herders who brought pastoralism to Europe when they migrated from central Asia and who...
(Excerpt) Read more at: Science | AAAS
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