Module 9: Huntington's Disease Flashcards
1
Q
What is the inheritance pattern of HD?
A
Autosomal dominant
2
Q
What is the gene for HD?
A
The huntintin (HTT) gene
3
Q
What is mean age of onset for Huntington’s disease?
A
35-44 years old
4
Q
On average, how long does someone live with Huntington’s disease after the diagnosis?
A
15-18 years
5
Q
What is one of the first symptoms of Huntington’s disease?
A
Mood changes
6
Q
When can a person be tested for Huntington’s disease?
A
18 years of age and with the person’s consent
7
Q
What type of mutation causes Huntington’s disease?
A
Expansion of a trinucleotide repeat in the HD gene
8
Q
What is Kristin’s brother’s risk to have the mutation for Huntington’s disease?
A
50%
