Which cause of intellectual disabilities is a metabolic disorder involving a defective enzyme?
A)phenylketonuria
B)rubella
C)Down syndrome
D)toxoplasmosis

Question

Quizplus · Accepted Answer

Phenylketonuria (PKU) is a metabolic disorder caused by a defective enzyme that prevents the breakdown of phenylalanine in the body. This leads to a buildup of phenylalanine and its byproducts, which can result in intellectual disability if left untreated.

Which Cause of Intellectual Disabilities Is a Metabolic Disorder Involving