Milton Has a Round Face, a Broad, Flat Nose, Small

Multiple Choice

Milton has a round face, a broad, flat nose, small, downward sloping folds of skin at the inside corners of his eyes, a protruding tongue, small, squarish hands, and unusually short arms and
Legs in relation to his body. He suffers from intellectual developmental disorder and from heart and respiratory problems. He most likely has ______.

A) Klinefelter's syndrome
B) Phenylketonuria
C) Down syndrome
D) fragile X syndrome