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

1 Answer

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


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

    Hope it heped you!