Ruth's physician informed her that a single dominant gene on chromosome 4 transmits her condition. She was also told that if one of her parents had the gene, she stood a 50 percent chance of inheriting the gene and developing the disorder. Which disease is her physician most likely referring to?

Question

Quizplus · Accepted Answer

Huntington's disease is a genetic disorder caused by a single dominant gene on chromosome 4. If one parent has the gene, the child has a 50 percent chance of inheriting the gene and developing the disorder. Parkinson's disease, Alzheimer's disease, and Pick's disease are not caused by a single dominant gene and do not follow the same inheritance pattern.

Ruth's Physician Informed Her That a Single Dominant Gene on Chromosome