fragile X syndrome

American  

[fraj-uhl eks sin-drohm, -druhm, frajahyl] / ˈfrædʒ əl ˈɛks ˌsɪn droʊm, -drəm, ˈfrædʒaɪl /

noun

1. an inherited genetic disorder caused by a faulty gene on the X chromosome and having various possible effects, including developmental delays in infancy and early childhood, learning disabilities, intellectual disability, and a number of social, behavioral, and physical difficulties.

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fragile-X syndrome British  

noun

1. an inherited condition characterized by mental subnormality: affected individuals have an X-chromosome that is easily damaged under certain conditions

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Etymology

Origin of fragile X syndrome

First recorded in 1980–85

Example Sentences

"This idea that astrocytes can deliver molecules to induce brain plasticity has implications for many neurological disorders, including other neurodevelopmental disorders like fragile X syndrome but also maybe even to neurodegenerative disorders like Alzheimer's disease," Brandebura said.

From Science Daily

People with Down syndrome have an extra copy of chromosome 21, for example, and Fragile X syndrome results when the FMR1 gene isn’t expressed.

From Los Angeles Times

Janet Rivera cares for both her 79-year-old mother, who has dementia, and her 25-year-old son, who has a genetic condition called Fragile X syndrome.

From Los Angeles Times

The findings may also have implications for intellectual disabilities, such as Fragile X syndrome.

From Science Daily

He has Fragile X syndrome resulting in a learning disability which can impact communication, but not his love for music.

From BBC