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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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Shavonne96 Shavonne96
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6 years ago
As related to inherited disorders, which statement is descriptive of most cases of hemophilia?
 
  a. Autosomal dominant disorder causing deficiency in a factor involved in the blood-clotting reaction
  b. X-linked recessive inherited disorder causing deficiency of platelets and prolonged bleeding
  c. X-linked recessive inherited disorder in which a blood-clotting factor is deficient
  d. Y-linked recessive inherited disorder in which the red blood cells become moon shaped
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#1
6 years ago
ANS: C
The inheritance pattern in 80 of all of the cases of hemophilia is X-linked recessive. The two most common forms of the disorder are factor VIII deficiency (hemophilia A or classic hemophilia), and factor IX deficiency (hemophilia B or Christmas disease). The disorder involves coagulation factors, not platelets. The disorder does not involve red cells or the Y chromosome.
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