試題詳解

34. In which specific way does the founder effect lead to changes in gene frequency?
(A) Small populations get large and then small again.
(B) By chance alone, the descendants are not genetically representative of the ancestral population.
(C) Involves homozygous ancestral populations that become heterozygous.
(D) Natural selection acts as a principal cause of change in the process.
(E) Depends on the importance of nonneutral mutations.