When Calculating the Allele Frequency of Allele a in a Population

question 160

Multiple Choice

When calculating the allele frequency of allele A in a population, why do you multiply the frequency of individuals who are homozygous for A by 2?

• A)Because if A is dominant, it will show up twice as much.
• B)Because each individual who is homozygous for A has two copies of the allele.
• C)Because there are always twice as many homozygous individuals as heterozygous individuals.
• D)Because individuals homozygous for A will produce twice as many offspring.
• E)Because individuals homozygous for A will be twice as likely to survive.

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