Case Workbook for Human Genetics 9th Edition by Ricki Lewis

تمرين 7

The Pine family suffers from severe cerebellar ataxia. Paul began to experience poor balance, dizziness, and slurred speech in his forties. His mother had similar symptoms beginning in her sixties. Paul's sons, ages 18 and 20, already have balance problems. Offer a physical explanation for why the age of onset lowers with each generation.