By: Stan Tian
Fragile X syndrome is also called
as Martin-Bell syndrome. It is a kind of genetic disorder characterized by
inherited mental retardation. This is a genetic abnormality where the mother
acts as the carrier and transmits the disorder to the sons. The incidence of
occurrence of this syndrome is 1 in 1000 to 2000 males but the frequency of the
female acting as a carrier can be more. Males that are affected by this
syndrome have a moderate to severe intellectual handicap. Females can is also
rarely affected, but the impairment is very mild.
