One Characteristic of an Autosomal Dominant Trait Is That ____

One characteristic of an autosomal dominant trait is that ____.

A) 50% of individuals with two affected parents will be affected
B) if two affected individuals are homozygous, the risk of having an affected child is 1:4
C) heterozygous fathers will always have affected daughters
D) every affected individual has at least one affected parent
E) mothers always pass the trait on to their sons