Genetic Screening for Huntington's Disease

Shannon Wright| Pages 40-44 | BioTeach Online Journal | Vol. 2 | Fall 2004

Huntington's Disease (HD) is a rare neurological disease that affects one in 10,000 people It is a genetic disorder, caused by a mutation in a sequence of human DNA that is known as the HD gene. This mutation is characterized by several trinucleotide repeats in the genetic sequence, which creates a CAG repeated expansion.