With Independent Assortment, the Ratio of Genotypes in the F₂

question 175

Multiple Choice

With independent assortment, the ratio of genotypes in the F₂ generation of a cross between true-breeding strains (AA bb × aa BB) can be described as 1:2:1:2:4:2:1:2:1. To what genotypes do the "2s" in the ratio refer?

• A)homozygous for both genes
• B)heterozygous for both genes
• C)homozygous for one gene, heterozygous for the other
• D)None of the answer options is correct.

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