QUESTION 12 The genetic profile of the embryos in a population is indicated in t

Question

QUESTION 12 The genetic profile of the embryos in a population is indicated in the table below. Following natural selection, the deleterious phenotype disappears and only a portion of the population reaches adulthood. Think about the values needed to complete the table, this will help you find the values needed for this question and the following two. Total 400 1 Aa Embryos Number Frequency Fitness 100 200 100 0.75 0 Natural selection occurs Adult Number What is the frequency of allele A in the reproductive adults? a 0.5 O b. 0.25 G 0.7 O d. 0.3

Explanation / Answer

Allele frequency is the realtive frequency of an allele (variant of a gene) at a particular locus in a population, expressed as a fraction or percentage. It is the fraction of all chromoaomes in the population that carry that allele.

So the frequency of allele A in the reproductive adults is 0.7.

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