Hungtingtonsdisease wil occur as hereditary in individuals who recieve a gene from one parent only therefore the gene for huntingtons is referred to as autosomal dominant disorder.
An hereditary variation in a single gene is the root cause of Huntingtonsdisease. A person just requires one copy of the unusual gene to acquire Huntington's disease because it is an autosomal dominant disorder.There have been claims that late-onset Huntington's chorea is more frequently inherited from the mother than the father and that juvenile onset Huntington's chorea is virtually always inherited from the father.
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