In Huntington disease,as the number of CAG repeats on the HTT (huntingtin)gene exceeds 40:
A) the earlier in life symptoms will begin.
B) the less likely a person is to develop Huntington disease.
C) the less severe the symptoms will be.
D) the more likely the chances of contracting rabies.

Question

Quizplus · Accepted Answer

As the number of CAG repeats on the HTT gene exceeds 40, the earlier in life symptoms will begin. This is because the higher number of CAG repeats is associated with earlier onset and more severe symptoms of Huntington disease.

In Huntington Disease,as the Number of CAG Repeats on the HTT