A man and a woman both unaffected by an autosomal dominant trait have a child. What is the probability that the child will inherit the disorder?

Question

Quizplus · Accepted Answer

Both parents would have the genotype aa, and thus all of their children would be unaffected by the trait. By definition, none of the children of two unaffected parents will exhibit an autosomal dominant disorder.

A Man and a Woman Both Unaffected by an Autosomal