If a population is in Hardy–Weinberg equilibrium, when is the number of heterozygotes at its maximum?
A. When the frequency of dominant alleles is more than the frequency of recessive alleles.
B. When the frequency of dominant alleles is equal to the frequency of recessive alleles.
C. When the frequency of dominant alleles is less than the frequency of recessive alleles.
Answer (2)
When the dominant alleles = the recessive
Hardy Weinberg stated p + 2pq + q = 1
P - dominant Q - recessive Pq - heterozygous
The number of heterozygotes in a population in Hardy-Weinberg equilibrium is maximized when the quantities of dominant and recessive alleles are equal to each other. Therefore, option B is the correct answer. This condition leads to the highest value of heterozygotes in the population.
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