Class 12 Biology Inheritance Variation PHENYLKETONURIA

PHENYLKETONURIA

  • Inborn error of metabolism, autosomal recessive trait.
  • Affected individual lacks an enzyme that converts the amino acid phenylalanine into tyrosine.
  • Due to which, phenylalanine gets accumulated and converted into phenylpyruvic acid and other derivatives.
  • This causes mental retardation.

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