Multiple Choice
How do the chromosomes of different people generally compare in terms of genetic content?
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12. Meiosis
Genes & Alleles
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In a population where the frequency of the recessive allele is 0.4, what percentage of individuals are homozygous recessive?
A
32%
B
64%
C
16%
D
40%
Verified step by step guidance1
Understand that the problem is asking for the percentage of individuals in a population who are homozygous recessive, given the frequency of the recessive allele.
Recall that the frequency of homozygous recessive individuals in a population can be calculated using the formula for the genotype frequency: \( q^2 \), where \( q \) is the frequency of the recessive allele.
Given that the frequency of the recessive allele \( q \) is 0.4, substitute this value into the formula: \( q^2 = (0.4)^2 \).
Calculate \( q^2 \) to find the frequency of homozygous recessive individuals. This will give you the proportion of the population that is homozygous recessive.
Convert the frequency \( q^2 \) into a percentage by multiplying by 100. This will give you the percentage of individuals who are homozygous recessive in the population.
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