In about 90% of cases, Huntington’s disease is inherited. But in 10% of cases, there is no evidence that a parent has the diseas

Question

irga5000 [103]

3 years ago

15

In about 90% of cases, Huntington’s disease is inherited. But in 10% of cases, there is no evidence that a parent has the diseas

e. Why do you think this is the case?

Biology

2 answers:

I am Lyosha [343] · Answer 1 · 2022-05-29T10:14:05+03:00

I am Lyosha [343]3 years ago

7 0

They weren't passed down with those genes

Nutka1998 [239] · Answer 2 · 2022-05-29T11:33:10+03:00

Nutka1998 [239]3 years ago

6 0

New mutations can also occur randomly, so there’s a chance that children of parents who didn’t inherit the gene for Huntington’s can develop a mutation in the gene that causes Huntington’s disease.