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Lactose Tolerance in Adults

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Explain and discuss how the human race acquired the ability for adults to digest milk. Must be at least 200 words

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https://brainmass.com/biology/conservation-genetics/lactose-tolerance-adults-587946

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The ability of adults to digest milk is caused by a phenomenon called lactase persistence. After childhood, many mammals including humans, stop producing lactase and become lactose intolerant. Lactose is a sugar found in milk and lactase is the enzyme that catalyzes the hydrolysis of lactose into glucose and galactose. While many adults lose the ability to catalyze lactose, thus becoming lactose intolerant, many people have developed ...

Solution Summary

How and why adults are able to drink milk in 207 words.

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