Q. Phenylketonuria is an example of an in born error of metabolism. This “error” refers to which of the following phenomenon? Answer:
atrophy of endocrine glands
Notes: Phenylketonuria (PKU) is an inborn error of metabolism due to atrophy of endocrine glands that results in decreased metabolism of the amino acid phenylalanine. Untreated, PKU can lead to intellectual disability, seizures, behavioral problems, and mental disorders. It may also result in a musty smell and lighter skin.