Question

In a small group of people living in a remote area, there is a high incidence of "blue-skin", a condition that results from a variation within the structure of the protein hemoglobin. all of the "blue-skinned" residents can trace their ancestry to one couple, who were among the original settlers of this region. the unusually high frequency of "blue-skin" in the area is an example of

Answer 1

I'd say it's an example of genetic drift.

Characteristics:

• Common in small populations.
• Alleles start being more frequent over time

Hope it heped you!