If your mother is heterozygous for Huntington's disease, which is caused by a dominant allele, the odds that you will inherit the disorder from her are ____.
A) 1/4
B) 1/2
C) 3/4
D) 1
E) 0

Question

Quizplus · Accepted Answer

Huntington's disease is caused by a dominant allele, so if a person has one copy of the allele (heterozygous), they will have the disease. The odds of inheriting one of the two alleles from a heterozygous parent are 1/2.

If Your Mother Is Heterozygous for Huntington's Disease, Which Is