Of nearly 200 forms of hereditary deafness,132 are autosomal recessive,64 autosomal dominant,and 4 X-linked recessive.Hereditary deafness is therefore genetically
A)heterozygous.
B)heterogenic.
C)heterogametiC.
D)heterosexual.

Question

Quizplus · Accepted Answer

Hereditary deafness is genetically heterogeneous because there are multiple genes involved, and there are different patterns of inheritance (autosomal recessive, autosomal dominant, and X-linked recessive). Heterozygous would imply that there is a single gene involved, with one normal allele and one mutant allele. Heterogametic would imply a difference in sex chromosomes between males and females. Heterosexual is unrelated to genetics.

Of Nearly 200 Forms of Hereditary Deafness,132 Are Autosomal Recessive,64