Multiple Choice
Mateo is on a special diet because his parents are aware that he cannot metabolize phenylalanine,an amino acid.Buildup of this amino acid in his system could result in mental retardation.Mateo has:
A) Down syndrome.
B) phenylketonuria (PKU) .
C) sickle-cell anemia.
D) Huntington's disease.
Correct Answer:

Verified
Correct Answer:
Verified
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