Multiple choice

Which of the following is not required for a population at Hardy-Weinberg equilibrium?

  1. There is no migration between populations.

  2. Natural selection is not acting on the alleles in the population.

  3. Mating is random.

  4. Multiple alleles must be present at every locus.
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D Correct answer
Explanation

Hardy-Weinberg equilibrium requires five conditions: no migration, no natural selection, random mating, no mutations, and large population size. Having multiple alleles at a locus is not a requirement - the equilibrium can be maintained with just two alleles at each locus.

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