In genetic drift, the allele frequencies in a gene pool change because of :
a) mutations.
b) chance.
c) natural selection.
d) genetic equilibirium.

The correct answer is B) chance

Allele frequencies in a gene pool change completely due to chance.

 genetic drift is the variation in  frequency of different genotypes in a small population, due to the chance disappearance of particular genes
In genetic drift, the allele frequencies in a gene pool change because of
 chance.
they have a chance of changing or not
so correct option is B
hope it helps

It is considered to be the placing of similar objects into similar groups. In science, it usually is a part of taxonomy, and taxonomy is science of naming living things by putting them into categories. I hope I helped!