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Welcome to the Fragile X Knowledge Center.
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Fragile X Knowledge Center
Genetics
Genetics
Learn about FMR1/Fragile X Testing & Diagnosis
Premutation
Learn about AGG interruptions
Learn about the FMR1/Fragile X “intermediate” or “gray zone”
![NFXF-3-3.png]](https://info.fragilex.org/hs-fs/hubfs/NFXF-3-3.png?height=40&name=NFXF-3-3.png){kind=small}