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FMR-1 gene

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FMR-1 gene
A gene found on the X chromosome. Its exact purpose is unknown, but it is suspected that the gene plays a role in brain development.
Mentioned in: Fragile X Syndrome


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These premutations are unstable and can expand in size when passed from mother to child If the premutation expands to the size of a full mutation, the FMR-1 gene "turns off" and does not work properly.
In these, the affected fmr-1 gene had 57, 168, 182, 207, 266, or 285 repeats.
 
 
 
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