They might also go into menopause earlier than usual. Fragile X syndrome is passed down in families through a mutation in the FMR1 gene. The FMR1 gene, which is on the X chromosome, makes a ...
patients who suspect they may carry the gene can ask medical professionals for a Fragile X (FMR1) DNA test. Alex McQuade, 41, from Groby, raised concerns when her baby missed his developmental ...
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