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Results 1 - 1 of 1 for "47,xyy" syndrome
  1. 47,XYY syndrome 
    47,XYY syndrome is characterized by an extra copy of the Y chromosome in each of an individual's ... causes no unusual physical features. Most individuals with 47,XYY syndrome have normal production of the male sex hormone ...
    https://medlineplus.gov/genetics/condition/47xyy-syndrome - Genetics