Results 1 - 2 of 2 for "47,xyy" syndrome
  1. 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 ...
  2. ... children. More About This Health Condition Individuals with 47,XYY syndrome have one X chromosome and two Y chromosomes ... those individuals with this condition.Some people with 47,XYY syndrome have an extra Y chromosome in only some ...