Which Statement Regarding Inheritance of an Autosomal Dominant Gene Allele

Multiple Choice

Which statement regarding inheritance of an autosomal dominant gene allele with known variability in expressivity is true?

A) A person with low expressivity of the trait has higher probability for having a child who does not express the trait at all.
B) A person with high expressivity of the trait has a greater risk for having a child who expresses the trait to an even greater degree.
C) The degree of expressivity of a given autosomal dominant trait with known variability cannot be predicted by analyzing parental expression.
D) The degree of expressivity of a given autosomal dominant trait with known variability is greater when the transmitting parent is the same sex as the child.