How Does Fragile X Syndrome Differ from Fetal Alcohol Syndrome

Multiple Choice

How does fragile X syndrome differ from fetal alcohol syndrome?

A) Unlike fragile X syndrome, fetal alcohol syndrome is entirely preventable.
B) People with fragile X syndrome have close-set eyes, whereas people with fetal alcohol syndrome have elongated faces and prominent ears.
C) People with fragile X syndrome have normal intelligence, whereas people with fetal alcohol syndrome have mild to severe mental disability.
D) Unlike fragile X syndrome, fetal alcohol syndrome has a genetic basis.