Which of the following is not a characteristic of an autosomal recessive disorder pedigree?
A) Heterozygotes have an affected phenotype.
B) Affected children can have unaffected parents.
C) Two affected parents will always have affected children.
D) Both males and females are affected with equal frequency.
E) Affected individuals with homozygous unaffected mates will have unaffected children. In an autosomal recessive disorder, heterozygotes have an unaffected phenotype.

Question

Quizplus · Accepted Answer

In an autosomal recessive disorder, heterozygotes have an unaffected phenotype. Therefore, if heterozygotes have an affected phenotype, it would be a characteristic of an autosomal dominant disorder.

Which of the Following Is Not a Characteristic of an Autosomal