15. Gene Expression
Mutations
0:49 minutes
Problem 15
Textbook Question
Textbook QuestionThe allele of the human transport protein associated with lighter skin is found almost exclusively in people with European ancestry. The other common allele for darker skin, which appears to be the ancestral allele, is found in people with African ancestry. What is a plausible explanation for how the lighter-skin allele came to be so common in those with European ancestry?
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