Hemophilia in humans is a recessive sex-linked disorder carried on the X chromosome. If a man with hemophilia and a woman who is a carrier have children, which outcome is possible?
All of their sons and half of their daughters could have hemophilia.
All of their sons and none of their daughters could have hemophilia.
Half of their sons and half of their daughters could have hemophilia.
Half of their sons and none of their daughters could have hemophilia.