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If the frequency of a dominant phenotype in a stable population is 75%, the frequency of recessive allele in that population would be how much? a. 0.375 b. 0.25 c. 0.75 d. 0.50

Answer 1

If dominant phenotype percentage is given, we come to know about the percentage of homozygous recessive in population: which in this case is 25%. Thus frequency of recessive allele is 0.5.

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Answer 2

Oliver Antoine

b. 0.25

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.