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Predict the Phenotypic Ratio of the F2 Progeny of a Parental

Question 21

Multiple Choice

Predict the phenotypic ratio of the F2 progeny of a parental cross between a homozygous black rat and an albino homozygous for cream.


A) 1 albino : 2 black : 1 cream
B) 9 black : 3 cream : 4 albino
C) 9 black : 3 albino : 4 cream
D) 12 black : 3 cream : 1 albino
E) 12 black : 3 albino : 1 cream

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