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In a Dihybrid Cross AAbb * AaBB, What Proportion of the F₂

Question 13

Multiple Choice

In a dihybrid cross AAbb * aaBB, what proportion of the F₂ offspring is expected to be homozygotic for at least one gene?

A) 1/4
B) 1/2
C) 3/4
D) All are homozygotes.
E) None are homozygotes.

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