Sentences with phrase «driving lactase»
«But here's the thing,» says Sverrisdóttir, «if natural selection is driving lactase persistence evolution in a place where people have no problems making vitamin D in their skin, then clearly the vitamin D and calcium explanation (known as the calcium assimilation hypothesis) isn't cutting it.
https://www.sciencedaily.com/
To see how much natural selection was needed to drive lactase persistence up to today's frequencies in that Iberia, Sverrisdóttir contacted her colleague Professor Mark Thomas in London.