A member asked:

Can huntington's disease develop without any family member having it?

A doctor has provided 1 answer

Very Rare: Huntington's disease has an autosomal dominance inheritance. In this type of inheritance pattern each offspring of an affected individual has a 50% risk of inheriting this disorder. There have been cases of spontaneous gene mutation causing huntington's disease, although extreemly rare.

Answered 12/9/2013

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