Hemophilia Author: Tim Poisal Biology-2nd period Hemophilia is a genetic blood disease, which is characterized by the inability of blood to clot, or coagulate even from minor injuries. This disease is caused by an insufficiency of certain blood proteins, called factors, that participate in blood clotting and often by sudden gene mutation. Therefore, with the absence of factors, the blood clotting process is prolonged. There are different types of hemophilia, hemophilia A and hemophilia B for example. Hemophilia A , the most common form is caused by the lack of factor VIII. In the second most common form of hemophilia, hemophilia B (also known as Chris