You Are Examining a Human Pedigree for a Trait

Multiple Choice

You are examining a human pedigree for a trait. You notice that the trait appears in every generation; is equally likely to occur in males and females; and, when one parent is affected, about half of his or her offspring are affected. The trait is MOST likely:

A) dominant.
B) recessive.
C) epistatic.
D) produced by multiple alleles.
E) one that shows incomplete penetrance.