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Which human population has the highest frequency of lactase persistence?
GeneticsEvolution
Quick Answer
Lactase persistence is most common in some pastoral populations, especially in Northern Europe and among some East African groups. It allows many adults to digest lactose into adulthood.
The Full Story
Lactase persistence is the ability to continue producing lactase, the enzyme that digests milk sugar, into adulthood. It is especially common in some Northern European populations and in several pastoral groups in East Africa and the Middle East. The trait evolved independently in different regions where dairy farming became important. It is one of the best-known examples of recent human evolution.
Key Facts
1.Lactase persistence allows adults to digest lactose
2.It is common in some Northern European and East African pastoral populations
3.It evolved independently in multiple regions
YouTube Angle
Suggested video title for this topic:
"The genetic trait that lets many adults drink milk with ease."