In what ways do boys and girls with Fragile X syndrome differ?
A) Boys tend to show a more severe form of the disorder.
B) Girls tend to produce less FMRP because both of their X chromosomes are typically affected, creating a more severe version of the disorder.
C) Physical abnormalities are more common in girls with Fragile X than in boys with Fragile X, while behavioral challenges are more common in boys with Fragile X than in girls with Fragile X.
D) Boys with Fragile X show more problems in simultaneous processing while girls with Fragile X show more problems with sequential processing.

Question

Quizplus · Accepted Answer

Boys tend to show a more severe form of the disorder because they have only one X chromosome, and if it carries the Fragile X mutation, they lack a normal backup copy, unlike girls who have two X chromosomes, potentially having one normal X chromosome to partially compensate for the defective one.

In What Ways Do Boys and Girls with Fragile X