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Given the genotype of parents as AABB and aabb, what is the expected genotype of F1 progeny?

Given the genotype of parents as AABB and aabb, what is the expected genotype of F1 progeny? Correct Answer AaBb

AABB parent will only be able to produce AB gametes, and aabb parent will only be able to produce ab gametes. Thus, the only possible genotype for the progeny is AaBb, a heterozygote.

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