A Certain Type of Congenital Deafness in Humans Is Caused

Essay

A certain type of congenital deafness in humans is caused by a rare autosomal (not X-linked)dominant gene.
a) 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.
b) In a mating involving a deaf man and a deaf woman (both heterozygous),could all the children have normal hearing? Explain your answer.
c) Another form of deafness is caused by a rare autosomal recessive gene.In a mating involving a deaf man and a deaf woman,could some of the children have normal hearing? Explain your answer.