What description applies to fragile X syndrome?
A) Chromosomal defect affecting only females
B) Second most common genetic cause of cognitive impairment
C) Most common cause of uninherited cognitive impairment
D) Chromosomal defect that follows the pattern of X-linked recessive disorders

Question

Quizplus · Accepted Answer

Fragile X syndrome is the most common inherited cause of cognitive impairment and the second most common genetic cause of cognitive impairment after Down syndrome.Fragile X primarily affects males and follows the pattern of X-linked dominant inheritance with reduced penetrance.

What Description Applies to Fragile X Syndrome