Label:
What causes Fragile X?
Description:
The FMR1 gene produces a protein involved in making cellular connections in the brain. If this gene carries many repeats of the nucleotides CGG at one end, it is deactivated. People with this mutation display mental impairments or retardation. Fragile X syndrome is the most common cause of inherited mental retardation.
Biological elements:
chromosome X, FMR1
Concepts precesses:
Tools & methods :