What is the term for the inherited blood-clotting disorder that has been a problem throughout the royal families of Europe,such as the descendants of Queen Victoria?

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The inherited blood-clotting disorder that has been a problem throughout the royal families of Europe is hemophilia, which is caused by a deficiency in clotting factor VIII (hemophilia A) or clotting factor IX (hemophilia B). It is an X-linked recessive disorder, which means it is more commonly expressed in males who inherit the mutated gene from their mothers who are carriers. Queen Victoria, who was a carrier of hemophilia, passed it on to many of her descendants, including the royal families of Spain, Russia, and Germany.

What Is the Term for the Inherited Blood-Clotting Disorder That