Phenylketonuria arises due to genetic changes in ______ cells.

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KollegeApply · Accepted Answer

Phenylketonuria arises due to genetic changes in liver cells. Explanation: Phenylketonuria (PKU) is caused by a mutation in the gene that makes the enzyme phenylalanine hydroxylase, which is primarily active in the liver. This enzyme helps break down the amino acid phenylalanine. When it's missing or defective, phenylalanine builds up in the body, leading to PKU.

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