A pedigree analysis for a given disorder's occurrence in a family shows that, although both parents of an affected child are normal, each of the parents has had affected relatives with the same condition. The disorder is then which of the following?

Question

Quizplus · Accepted Answer

The fact that both parents are normal but have affected relatives with the same condition suggests that the disorder is inherited in a recessive manner. The affected child must have received two copies of the mutated gene, one from each carrier parent.

A Pedigree Analysis for a Given Disorder's Occurrence in a Family