A certain type of congenital deafness in humans is caused by a rare autosomal dominant gene. In mating involving deaf man and a deaf woman (heterozygous) would you expect all the children be deaf?

Question

A certain type of congenital deafness in humans is caused by a rare autosomal dominant gene. In a mating involving a deaf man and a deaf woman (both heterozygous) would you expect all the children to be deaf? Explain your answer