A diet that restricts phenylalanine and supplies tyrosine is the only current treatment for people born with the single-gene disorder ________.

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The diet that restricts phenylalanine and supplies tyrosine is the only treatment for phenylketonuria (PKU), a single-gene disorder that results in the inability to properly metabolize phenylalanine, an amino acid found in many foods. The other options listed (DNA, ALC, NLM, and BHA) are not genetic disorders that require dietary restrictions for treatment.

A Diet That Restricts Phenylalanine and Supplies Tyrosine Is the Only