A person who is worried that he may have inherited the gene mutation for Huntington disease is told that he has the "wild-type" form of this gene. What is thebestinterpretation of this finding?
A)His gene for Huntington disease (HD) has more "hot spots" for mutations than the general population.
B)His Huntington disease has unusual mutations of unknown significance.
C)His Huntington disease gene is considered normal.
D)He has no Huntington disease gene.

Question

Quizplus · Accepted Answer

The most common form of a normal functional gene is known as the wild type. Thus, a person with the wild-type form of the HD gene has a functional gene with no increased risk for developing the disease.

A Person Who Is Worried That He May Have Inherited