Fragile X Syndrome
Fragile X Syndrome
This article was last reviewed
on
This article waslast modified
on July 10, 2017.
The most common inherited cause of mental retardation; takes its name from the appearance of the stained X chromosome under a microscope – there is a site near the end of this chromosome that does not stain, indicating its fragility. The gene in the fragile region is important in making a special protein needed by developing brain cells.
