Why did the lactose tolerance mutation in the East African herders spread so rapidly within the population?
A) Milk provided calcium for strong bones.
B) It was a selective advantage for survival during droughts and cold winters.
C) Lactose was a better source of energy than glucose.
D) Milk was a good source of protein during the summer harvests.

Question

Quizplus · Accepted Answer

The lactose tolerance mutation provided a selective advantage for survival during droughts and cold winters. Milk was an important source of nutrition during times when other food sources were scarce, and individuals with the mutation were able to drink milk and extract the necessary nutrients to survive. This allowed them to have a higher chance of surviving and passing on their genes, leading to the rapid spread of the mutation within the population.

Why Did the Lactose Tolerance Mutation in the East African