The blood-clotting disorder hemophilia A is one of several single-gene diseases that exhibit an X chromosome-linked recessive pattern of inheritance. Males who have a mutant copy of the factor ...

More than half of all men with Klinefelter syndrome (KS) are unaware that they have the condition. Among those who do receive ...

Researchers provided a long-awaited and rare genetic diagnosis in a child with Lennox-Gastaut syndrome, a type of ...