What does FMR1 stand for?

The gene that causes Fragile X is called the FMR1 gene, which stands for Fragile X mental retardation gene. At the time of discovery, “mental retardation” was the accepted term for what we now refer to as “intellectual disability”. Today, we simply refer to the “FMR1 gene” or the “Fragile X gene.”

Learn more: 

• Genetics & Inheritance