Following a Flood, Migration from Neighboring Populations Alters Genotypic Frequencies

question 92

Multiple Choice

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 are met, how many generations of random mating are 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

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