Ruth's physician informed her that a single dominant gene on chromosome 4 transmits her condition. She was also informed that if one of her parents had the gene, she stood a 50% chance of inheriting the gene and developing the disorder. Which disorder does Ruth likely have?

Question

Quizplus · Accepted Answer

The inheritance pattern described in the scenario is typical of Huntington's disease, a neurodegenerative disorder caused by a single dominant gene on chromosome 4. Parkinson's and Alzheimer's both have more complex inheritance patterns that involve multiple genes, while Pick's disease is caused by different genetic mutations.

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