Population Genetics · Zoology

Which equation represents Hardy–Weinberg equilibrium?

  1. p² + q² = 1 for the two alleles
  2. p + q = 1
  3. p² + 2pq + q² = 1
  4. p − q = 1
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Correct answer: p² + 2pq + q² = 1

The Hardy–Weinberg equation p² + 2pq + q² = 1 describes genotype frequencies. It assumes random mating and no evolutionary forces.

Difficulty: Medium Question 15 of 20

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