In a population in Hardy-Weinberg equilibrium, the frequency of a recessive allele is . What percentage of the population is expected to be heterozygous ()?

Answer and explanation

Correct answer: B. 42%

  1. Step 1: Dominant allele frequency . Step 2. Heterozygote frequency (42%). Answer: Heterozygous frequency is 42%. Why not the others: or 42%.

Practise more Biology: Cell Physiology, Genetics, Evolution and Ecology.

Free questions with an explanation for every one, and full timed SIMAK UI mock tests.