A pedigree diagram shows affected children can have unaffected parents and heterozygotes have a normal phenotype. This is an _____.Group of answer choicesautosomal dominant disorderautosomal recessive disorder
Question
A pedigree diagram shows affected children can have unaffected parents and heterozygotes have a normal phenotype. This is an _____.Group of answer choicesautosomal dominant disorderautosomal recessive disorder
Solution
This is an autosomal recessive disorder.
Here's why:
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In an autosomal recessive disorder, both parents must at least be carriers of the disorder for their child to be affected. This means they can be unaffected but still pass the disorder to their children. This is consistent with the information in the pedigree diagram.
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Heterozygotes (individuals with one normal allele and one affected allele) for a
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