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Preferred term

Fragile X syndrome  

Definition

  • Fragile X syndrome (FXS) is the leading cause of inherited mental retardation. It is caused by a change (mutation) in the fragile X mental retardation 1 (FMR1) gene located near the end of the X chromosome. [Source: Encyclopedia of Human Development; Fragile X Syndrome]

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https://concepts.sagepub.com/social-science/concept/Fragile_X_syndrome

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