Which Statement Regarding Inheritance of an Autosomal-Dominant Gene Allele with Known

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 a higher probability of having a child who does not express the trait at all.
B) A person with high expressivity of the trait has a greater risk of 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.

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