Which of the Following Statements About Fragile X Syndrome Is

Which of the following statements about fragile X syndrome is not correct?

A) It results in learning and attention disabilities in males.
B) It results in hyperactivity in males.
C) The location of the fragile X site is exactly the same in all of an individual's cells.
D) It results in the formation of shorter-than-normal sequences of CGG.
E) Females are usually heterozygous and are therefore more likely to have a normal phenotype.