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.

Question

Quizplus · Accepted Answer

Fragile X syndrome is a genetic condition caused by changes in the FMR1 gene, while fetal alcohol syndrome results from alcohol exposure during pregnancy and is entirely preventable by avoiding alcohol consumption during pregnancy.

How Does Fragile X Syndrome Differ from Fetal Alcohol Syndrome