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The pedigree from Parts A and B is shown below. Now it shows the inheritance of a rare recessive autosomal condition that affects individuals

The pedigree from Parts A and B is shown below. Now it shows the inheritance of a rare recessive autosomal condition that affects individuals II-3, IV-2, IV-5, and V-3 (denoted by the filled symbols and the genotype aa). Individuals I-1, I-2, I-5, and I-6 have no history of this condition in their families.

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