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In humans pointed eyebrows are dominant to smooth eyebrows and widow's peak

In humans pointed eyebrows are dominant to smooth eyebrows and widow's peak (downward pointed frontal hairline) is dominant to continuous hairline. What phenotypic ratio would you expect in the offspring from a cross between an individual heterozygous for both genes and an individual homozygous recessive for both genes?


(A) 9:3:3:1


(B) 9:3:4


(C) 1:1:1:1


(D) 1:2:1:2:4:2:1:2:1


(E) 9:7

Mar 14 2018 View more View Less

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