Huntington's disease is inherited from a person's parents.
Huntington 's disease ( HD ) , also known as Huntington 's chorea , is an inherited disorder that results in death of brain cells . The disease is caused by an autosomal dominant mutation in either of an individual 's two copies of a gene called Huntingtin . The genetic basis was discovered in 1993 by an international collaborative effort led by the Hereditary Disease Foundation . Sickle-cell disease ( SCD ) is a group of blood disorders typically inherited from a person 's parents .