The 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?

Video transcript

Hi everyone here we have a question telling us. Prior to the Industrial Revolution, gray colored moths predominated however. After the Industrial Revolution, black colored moths predominated because suit black in the trunks of trees, which of the following factors do you believe is responsible for the generation of a black a little in a population of gray colored moths, the gray colored moth has a black moth generation because of a mutation, and after this mutation occurred, it was found that black moth became advantages because they blended into the black end of the tree chunks. So our answer here is c mutation. Thank you for watching. Bye.