News From the Field
Penn team links Africans' ability to digest milk to spread of cattle raising
March 13, 2014
A new study, led by University of Pennsylvania researchers and constituting the largest investigation ever of lactose tolerance in geographically diverse populations of Africans, investigated the genetic origins of this trait and offers support to the idea that the ability to digest milk was a powerful selective force in a variety of African populations that raised cattle and consumed the animals' fresh milk.
University of Pennsylvania
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