Question

The pedigree above shows a cross between an affected female and unaffected male for Huntington's disease. Which statement below correctly describes the genetics of this disorder

A) it is x-linked dominant
B) it is autosomal dominant
C) it is x-linked recessive
D) it is autosomal recessive

Answer 1

B) it is autosomal dominant

Answer 2

The genetics of this disorder can be described as an autosomal dominant because it is one of the ways in which the Huntington's disease can be passed from one abnormal gene to the unaffected person.This means that the person who has inherited the gene can get the disease.