Huntington disease in humans is an example of ________.
A) essential genes
B) lethal alleles
C) semilethal alleles
D) nonessential genes
E) sex linked allele

Question

Quizplus · Accepted Answer

Huntington disease is caused by a lethal dominant allele on chromosome 4 that results in progressive deterioration of the nervous system. Individuals with the disease usually die within 10-20 years of onset. Therefore, this is an example of a lethal allele.

Huntington Disease in Humans Is an Example of ________