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Hemophilia 2 - College Essay

Hemophilia 2


In the human body, each cell contains 23 pairs of chromosomes, one of each pair inherited through the egg from the mother and the other from the sperm of the father. Of these chromosomes, those that determine sex are X and Y. Females have XX and males have XY. In addition to information concerning sex, the X chromosomes carry determinants for a number of other features of the body, including the levels of factor Vlll and lX. If the genetic information determining factors Vlll and lX is defective, hemophilia results. As a result, the protein factors needed for normal blood clotting are effected.
In males, the single X chromosome can not compensate for the lack, and will show the ...

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B. Hemophilia A, also known as "Classical Hemophilia" is caused by a factor Vlll deficiency. This is the most common form of hemophilia. The second type of hemophilia, is Hemophilia B, and is sometimes referred to as the "Christmas Disease." Hemophilia B is caused by a factor lX deficiency. Both types of hemophilia are characterized by prolonged episodes of bleeding, especially into joints, muscles, internal organs, or even brain hemorrhaging.
Hemophiliacs do not bleed harder of faster than a normal, unaffected person. Instead, they suffer from prolonged bleeding. The reason a hemophiliac will suffer from prolonged bleeding, is the inability of the blood to form clots. This is the result of the missing/ reduced clotting factors. When a normal person sustains a cut or wound, the platelets in their blood break apart and quickly form fibrin, which forms the clot. In hemophiliacs however, either the clotting factor Vlll or lX is reduced, thus making the hemophiliac ...

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PAPER DETAILS
Added: 4/27/2005 08:10:33 AM
Category: Science & Nature
Type: Premium Paper
Words: 966
Pages: 4

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