Which of the following would result in mental retardation after an excess of an amino acid?
A) Phenylketonuria
B) Huntington's disease
C) Sickle-cell anemia
D) Tay-Sachs disease

Question

Quizplus · Accepted Answer

Phenylketonuria (PKU) is a genetic disorder caused by a deficiency in the enzyme phenylalanine hydroxylase, leading to an excess of the amino acid phenylalanine. High levels of phenylalanine can cause brain damage and mental retardation if not treated through dietary restrictions.

Which of the Following Would Result in Mental Retardation After