The clotting of blood depends upon a chain of reactions that involve many different proteins;a faulty gene for any one of these proteins gives rise to the disease called __________.
A)hemophilia
B)HIV
C)multiple sclerosis
D)leukemia

Question

Quizplus · Accepted Answer

Hemophilia is a disease that results from a faulty gene for one of the proteins involved in the clotting of blood. HIV is a virus that attacks the immune system, multiple sclerosis is a disease that affects the central nervous system, and leukemia is a cancer that affects the blood and bone marrow.

The Clotting of Blood Depends Upon a Chain of Reactions