出典:Wikipedia
出典:『Wikipedia』 (2011/07/09 14:40 UTC 版)
Fragile X syndrome (FXS), Martin–Bell syndrome, or Escalante's syndrome (more commonly used in South American countries), a genetic syndrome, is the most commonly known single-gene cause of autism and the most common inherited cause of intellectual disability. It results in a spectrum of characteristic physical and intellectual limitations and emotional and behavioral features which range from severe to mild in manifestation.