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The ability to taste the bitter compound phenylthiocarbamide (PTC) is an
autosomal dominant trait. The inability to taste PTC is a recessive condition. In a sample of
500 people, 360 have the ability to taste PTC and 140 do not. Calculate frequencies of: a) recessive allele, b) dominant allele, c) each genotype

Respuesta :

Answer:

Explanation:

f(a) = freq of recessive allele

f(A) = freq dominant allele

f(a)^2 = (140/500) = 0,28 -> f(a) = [tex]\sqrt{0,28}[/tex] = 0,53

f(A) = 1 - f(a) = 0,47

f(aa) = f(a)^2 = 0,28

f(AA) = f(A)^2 = 0,22

f(Aa) = 1- 0,28 - 0,22 = 0,50

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