Article
Why and when was lactase persistence selected for? Insights from Central Asian herders and ancient DNA.
PLoS biology - 1 Jun 2020
Segurel Laure, Guarino-Vignon Perle, Marchi Nina, Lafosse Sophie, Laurent Romain, Bon Céline, Fabre Alexandre, Hegay Tatyana, Heyer Evelyne
Abstract excerpt
The genetic adaptation of humans to the consumption of milk from dairying animals is one of the most emblematic cases of recent human evolution. While the phenotypic change under selection, lactase persistence (LP), is known, the evolutionary advantage conferred to persistent individuals remains obscure. One informative but underappreciated observation is that not all populations whose ancestors had access to...
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