what chromosome is huntington's disease found on
About Huntington's Disease. George Huntington, M.D., who first described the disease that bears his name. Huntington's disease is a progressive brain disorder caused by a single defective gene on chromosome 4 â one of the 23 human chromosomes that carry a personâs entire genetic code.This defect is dominant, meaning that anyone who inherits it from a parent with Huntington's will eventually develop the disease.bout Huntington's Disease. George Huntington, M.D., who first described the disease that bears his name. Huntington's disease is a progressive brain disorder caused by a single defective gene on chromosome 4 â one of the 23 human chromosomes that carry a personâs entire genetic code.