What is the name of the inherited disorder in which a child is unable to make use of an essential amino acid present in proteins found in milk and other foods and that has the potential to cause brain damage and mental retardation?

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Phenylketonuria (PKU) is an inherited disorder that causes a deficiency in the enzyme phenylalanine hydroxylase, which is responsible for converting the amino acid phenylalanine to tyrosine. Without this enzyme, phenylalanine builds up in the blood and can lead to brain damage and mental retardation if left untreated. The disorder can be managed with a low-phenylalanine diet. Heterozygous and homozygous refer to the genetic makeup of an individual, while chromosome deficiency is a broad term and does not specifically refer to PKU.

What Is the Name of the Inherited Disorder in Which