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Results 1 - 1 of 1 for Long thumb
  1. CREBBP gene 
    ... severe intellectual disability, distinctive facial features, and broad thumbs and first toes. More than 300 mutations have ... syndrome do not have the facial features and thumb and toe abnormalities characteristic of Rubinstein-Taybi syndrome. ...
    https://medlineplus.gov/genetics/gene/crebbp - Genetics