Sentences with phrase «as lactase persistence»

Why this trait — known as lactase persistence — has evolved so quickly has been something of a mystery.

However, at least five populations in Europe, Saudi Arabia and East Africa have developed genetic mutations independently that allow them to produce lactase throughout their entire lives, a condition known as lactase persistence.

Not exact matches

«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.

However, the question remains as to when and where humans began to exhibit a similar level of lactase persistence to us today.

New palaeogenetic study based in Mainz and London sees development of lactase persistence as the result of a natural selection process

Society often paints «lactose intolerance» as a rarity when actually it's the condition of «lactase persistence» that's uncommon.