The process of rendering certain viruses non-infectious, without necessarily removing them from the product. The partial or complete deficiency of von Willebrand factor, or in some circumstances, the presence of an abnormal von Willebrand factor that is not completely functional. A protein in plasma, platelets and endothelial cells that serves to anchor platelets to a damaged blood vessel, and to carry coagulation factor VIII in the plasma. Females have two X chromosomes, and males have one X and one Y chromosome. The genetic mode of inheritance of genes located on the X chromosome.
Females are usually carriers of x-linked traits and thus transmit the trait to their male children.
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