Random changes in gene frequencies from one generation to the next due to a sudden reduction in population size and resulting in the loss of particular alleles is known as
A) gene flow.
B) genetic drift.
C) mutation.
D) natural selection.

Question

Quizplus · Accepted Answer

Genetic drift refers to random changes in allele frequencies in a population, often occurring after a population bottleneck or founder event, leading to a loss of genetic variation.

Random Changes in Gene Frequencies from One Generation to the Next