A pedigree is a diagram that traces the inheritance of a trait through a family. Which of the following patterns is typical in a pedigree for an autosomal dominant trait?

Question

Quizplus · Accepted Answer

Autosomal dominant traits typically appear in every generation because only one copy of the dominant allele is needed for the trait to be expressed. This means that if a parent has the trait, there is a chance it will be passed on to their offspring, making it likely to appear in each generation.

A Pedigree Is a Diagram That Traces the Inheritance of a Trait