Medicine: By Mendelian Law

Three British doctors report that they have found the first proved case of hemophilia (a tendency to uncontrollable bleeding) in a woman. More remarkable still, the victim bore a child without complications and survived major surgery.

According to common belief, only men can be victims as well as transmitters, and women can only be transmitters of hemophilia.* Common belief is almost, but not quite, true. By Mendelian laws of inheritance, the daughter of a father-bleeder and a mother-carrier can be a bleeder. Doctors believed that such a child would die in the womb. . The British doctors report that a patient of...

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