This occurs when environmental factors interact with genetic factors to produce traits. The term multifactorial means many factors. Traits that involve multiple genes and complicated patterns of inheritance are said to be exhibiting multifactorial transmission.
homosexual
Hemophilia is one disease in which blood does not clot normally. von Willebrand's Disease
There is no chance that the child will have hemophilia even if the spouse has hemophilia. Any girls the couple has will be carriers if the spouse has hemophilia.
50%
Can anyone be a candidate for the hemophilia a
Hemophilia is caused by a deficiency of clotting factor VIII (hemophilia A) or clotting factor IX (hemophilia B).
50%
There are no hard answers to this, it depends strictly on luck. The statistics are though not very good for their children. Statisically the couple have a chance of having a normal son, a daughter that is a carrier for hemophilia, a daughter with hemophilia and a son with hemophia.
50 million ppl have hemophilia
No, Hemophilia is a genetic disease. A person is born with it.
The classical spelling of hemophilia is haemophilia.