Huntington's disease is an example of a __________.
A) disease caused by mutation
B) polyglutamine expansion disease
C) trinucleotide repeat disease
D) all of these

Question

Quizplus · Accepted Answer

Huntington's disease is caused by a mutation that results in a polyglutamine expansion in the huntingtin protein. This expansion is due to a trinucleotide repeat (CAG) expansion in the gene that codes for huntingtin. Therefore, Huntington's disease fits all three options - it is a disease caused by mutation, a polyglutamine expansion disease, and a trinucleotide repeat disease.

Huntington's Disease Is an Example of a __________