A mutation arises in a population of humans that allows them to digest milk from domesticated cattle.The trait is favorable and increases in frequency over time.This is an example of

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This is an example of positive selection because individuals with the mutation have a higher fitness (ability to survive and reproduce) due to their increased ability to digest milk from domesticated cattle, which would have provided a new source of nutrition. This leads to an increase in frequency of individuals with the mutation in the population over time.

A Mutation Arises in a Population of Humans That Allows