There are two alleles for a gene in a population, and the frequency of the dominant allele (p) is 0.50. What is the frequency of the recessive allele (q)?

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The frequency of the recessive allele (q) can be calculated using the Hardy-Weinberg principle, where p + q = 1. If the frequency of the dominant allele (p) is 0.50, then the frequency of the recessive allele (q) must also be 0.50 to make the sum equal to 1.

There Are Two Alleles for a Gene in a Population