Problem: Starting with a cross between AA and aa, the proportion of heterozygotes in the F2 progeny will be:A. 1/16B. 1/8C. 1/4D. 1/3E. 1/2

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a cross between individuals with true-breeding dominant and recessive traits, respectively, would lead to an F1 progeny that are heterozygous for the trait. A cross between these progeny (i.e. a hybrid cross) would basically lead to four outcomes.

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Problem Details

Starting with a cross between AA and aa, the proportion of heterozygotes in the F2 progeny will be:

A. 1/16

B. 1/8

C. 1/4

D. 1/3

E. 1/2