If a study of several pedigrees demonstratethat two parents arnormal but their children express a trait, then thtrait is controlleby

Question

Quizplus · Accepted Answer

If two parents are normal (do not express the trait) but their children express the trait, it suggests that the trait is controlled by a recessive gene. This means both parents are carriers of the recessive allele, and the trait is expressed in the children when they inherit two copies of the recessive allele.

If a Study of Several Pedigrees Demonstratethat Two Parents Arnormal