Klinefelter syndrome, illustration Klinefelter syndrome, illustration. In Klinefelter syndrome males are born with an extra X chromosome., Photo by VERONIKA ZAKHAROVASCIENCE PHOTO LIBRARY Stock Photo - Afloimages
Klinefelter syndrome, illustration. In Klinefelter syndrome males are born with an extra X chromosome., Photo by VERONIKA ZAKHAROVA/SCIENCE PHOTO LIBRARY