Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture

YouTube Video

As maturing mammals stop drinking milk, they lose the ability to digest milk. There is only one animal where, in some individuals, the ability to digest milk is retained. These individuals are called lactase persistent. These researchers explore a genetic mutations that may explain the lactase persistence in different regions of the world.

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[Nutrition. Evolution. DNA. Genetics. Lactase.]