Ethan Hernandez——Works at the International Committee of the Red Cross, Lives in Geneva, Switzerland.
Frequency. 1:500 to 1:1,000 males. Klinefelter syndrome (KS) also known as 47,XXY or XXY, is the set of symptoms that result from two or more X chromosomes in males. The primary features are sterility and small testicles.read more >>
QuesHub is a place where questions meet answers, it is more authentic than Quora, but you still need to discern the answers provided by the respondents.