Which statement accurately describes fragile X syndrome?
A) It is a chromosome defect affecting only females.
B) It is a chromosome defect that follows the pattern of X-linked recessive disorders.
C) It is the second most common genetic cause of cognitive impairment.
D) It is the most common cause of noninherited cognitive impairment.

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 disorders with reduced penetrance.

Which Statement Accurately Describes Fragile X Syndrome