Huntington's Disease

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Questions to Ask Your Doctor about Huntington's Disease
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Cause and Risk Factor

Having a parent with Huntington's is the risk factor. A child of an affected parent has a 50% chance of inheriting the disease.

The genetic mutation that occurs in gene IT-15, located on chromosome 4, alters the huntington protein, which is present in all human beings, and causes Huntington's disease. How the mutation of gene IT-15 alters the function of the protein is not well understood.

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