Genetics

Question 1

what is the pattern of inheritance in Huntington’s disease?

Answer 1

autosomal dominant

Question 2

what is anticipation?

Answer 2

the phenomenon in which each generation develops a genetic disease at an earlier age

Question 3

name some psychiatric symptoms of Huntington’s disease

Answer 3

depression 
compulsions 
aggression 
blunted affect 
psychosis

Question 4

name some cognitive symptoms of Huntington’s disease

Answer 4

decline in executive function
memory deficits
dementia

Question 5

name some motor symptoms of Huntington’s disease

Answer 5

chorea
gait disturbance
problems speaking
rigidity

Question 6

when do symptoms of Huntington’s start?

Answer 6

usually asymptomatic until adulthood

Question 7

how is Huntington’s disease diagnosed?

Answer 7

with a simple genetic test