The Phenotype of ____ Does Not Develop Until Adulthood

Question

The phenotype of ____ does not develop until adulthood.
A) muscular dystrophy
B) Marfan syndrome
C) cystic fibrosis
D) hemophilia
E) Huntington's disease

Accepted Answer

Huntington's disease is a neurodegenerative disorder that does not typically manifest until adulthood. The onset of symptoms usually occurs between the ages of 30 to 50 years old. In contrast, muscular dystrophy, Marfan syndrome, cystic fibrosis, and hemophilia all have symptoms that can develop in childhood or adolescence.