Another important chromosomal abnormality that causes intellectual disability is known as fragile X syndrome.This is where the X chromosome appears to show physical weaknesses and may be bent or broken.Fragile X syndrome occurs in approximately what percentage of all births?

Question

Quizplus · Accepted Answer

Fragile X syndrome occurs in approximately 1 in 2500 to 1 in 4000 males and 1 in 4000 to 1 in 8000 females, which translates to about 0.025% to 0.04% of all births, making option D correct.

Another Important Chromosomal Abnormality That Causes Intellectual Disability Is Known