Following a flood, migration from neighboring populations alters genotypic frequencies of a population of river bottom midges.Assuming that the conditions for Hardy-Weinberg subsequently will be met, how many generations of random mating will be required to restore the genotypic frequencies to Hardy-Weinberg equilibrium?
A) 1
B) 2
C) Between 3 and 10
D) Between 11 and 20
E) More than 20

Question

Quizplus · Accepted Answer

Under the Hardy-Weinberg principle, if the conditions are met (including random mating, no selection, no mutation, large population size, and no gene flow), genotypic frequencies in a population will reach equilibrium after just one generation of random mating.

Following a Flood, Migration from Neighboring Populations Alters Genotypic Frequencies