Klinefelter Syndrome

Klinefelter syndrome: description Klinefelter syndrome is a genetic disease that affects only males. They have at least one so-called sex chromosome too many in their cells. The term XXY syndrome is also common. Klinefelter syndrome: Incidence Klinefelter patients are always male. Statistically, about one boy in 500 to 1000 live births is affected by Klinefelter … What is Klinefelter syndrome?