lactase persistence

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English

Noun

lactase persistence (uncountable)

  1. The continued activity of the lactase enzyme in adulthood, allowing the digestion of lactose in milk.
    • 2016, Joseph Henrich, chapter 6, in The Secret of Our Success , Princeton: Princeton University Press, →ISBN:
      Lactase persistence is under fairly direct genetic control and involves genes that inhibit the typical mammalian shutdown of the production of lactase after nursing ends.

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