Question #6424203Single Choice

Biology

Question

A pedigree shows a family where a rare autosomal recessive trait is being studied. Individuals II-1 and II-2 are unaffected but have an affected child (III-3). What are the most likely genotypes of individuals II-1 and II-2?

Options

AA (homozygous dominant) and AA (homozygous dominant)

Aa (heterozygous) and Aa (heterozygous)

Aa (heterozygous) and aa (homozygous recessive)

AA (homozygous dominant) and Aa (heterozygous)

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