(a) The children of PKU mothers are prone to suffer from mental retardation. (b) Mental retardation can be reduced in the children of PKU treated mothers. Introduction: PKU is the genetic disease that is occurred due to the homozygosity for the recessive mutation in the enzyme. This enzyme converts the phenylalanine to the tyrosine amino acid. When this enzyme got mutation, it stops converting the phenylalanine into tyrosine and the phenylalanine and some of its derivatives starts to get accumulated in the body and results in the mental retardation of the individual. Anyone who is diagnosed with PKU just after birth can be treated by providing the baby with a low-phenylalanine diet for the early years of their life. In homozygous recessive adults, individuals can have the diet with a normal level of phenylalanine.

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Chapter 14, Problem 21TYPSS

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(a) The children of PKU mothers are prone to suffer from mental retardation.

(b) Mental retardation can be reduced in the children of PKU treated mothers.

Introduction:

PKU is the genetic disease that is occurred due to the homozygosity for the recessive mutation in the enzyme. This enzyme converts the phenylalanine to the tyrosine amino acid. When this enzyme got mutation, it stops converting the phenylalanine into tyrosine and the phenylalanine and some of its derivatives starts to get accumulated in the body and results in the mental retardation of the individual. Anyone who is diagnosed with PKU just after birth can be treated by providing the baby with a low-phenylalanine diet for the early years of their life. In homozygous recessive adults, individuals can have the diet with a normal level of phenylalanine.

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