If two phenotypically normal parents have six children,and two daughters and two sons have the same genetic disorder,that disorder is most likely to be ____.

Question

Quizplus · Accepted Answer

Cystic fibrosis is an autosomal recessive disorder, meaning that both parents can be carriers of the defective gene without showing symptoms themselves. The pattern of inheritance described fits an autosomal recessive condition, where there is a 25% chance for each child to be affected if both parents are carriers.

If Two Phenotypically Normal Parents Have Six Children,and Two Daughters