If the Phenotype Followed in Pedigree 3 Is Autosomal Recessive

question 48

Multiple Choice

If the phenotype followed in Pedigree 3 is autosomal recessive, then what is the genotype of I-1? Assume no new mutations and complete penetrance.

• A) homozygous dominant
• B) heterozygous
• C) homozygous recessive
• D) hemizygous dominant
• E) hemizygous recessive

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