what notation is used to describe klinefelter
Not to be confused with XYY syndrome. Klinefelter syndrome or Klinefelter's syndrome (KS) (/ËklaÉªnfÉltÉr/) also known as 47,XXY or XXY, is the set of symptoms that result from two or more X chromosome in males. The primary feature is sterility.ot to be confused with XYY syndrome. Klinefelter syndrome or Klinefelter's syndrome (KS) (/ËklaÉªnfÉltÉr/) also known as 47,XXY or XXY, is the set of symptoms that result from two or more X chromosome in males. The primary feature is sterility.