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WHAT IS HEMOPHILIA?
Hemophilia is a genetic bleeding disorder caused by the absence or inactivity of an essential blood clotting protein. ... If untreated, hemophilia can lead to permanent neurological problems, severe crippling and even death. Hemophilia is rare, and only 20,000 people in the U. ... It is untrue that a person with hemophilia will bleed to death from a small cut. There is no cure for hemophilia. ... With proper medical care, it is possible for a person with hemophilia to lead a happy, successful lifestyle.
HOW ONE INHERITS HEMOPHILIA
Each cell has 46 chromosomes, arranged in 23 pairs. ... Hemophilia is a hereditary bleeding disorder carried on 1 of the mother’s X chromosomes. ...
Women who have the gene for hemophilia are called carriers. Carriers of hemophilia have 1 X chromosome with an altered gene and 1 X chromosome with a normal gene. Transmission of the chromosome with the affected gene results in a son with hemophilia or a daughter who is a carrier. Transmission of the chromosome with the normal gene results in children who are unaffected by hemophilia. There is a 50/50 chance that each son of a carrier will have hemophilia and a 50/50 chance that each daughter will be a carrier. ... Having a son with hemophilia or a carrier daughter does not change the risk of having another child with the hemophilia gene.
A woman may or may not be a carrier of hemophilia if she is:
· the biological mother of one son with hemophilia
· the sister of a male with hemophilia
· an aunt, cousin, or niece of an affected male related through maternal ties
· the biological grandmother of 1 grandson with hemophilia
A woman is definitely a carrier if she is:
· the biological daughter of a man with hemophilia
· the biological mother of more than one son with hemophilia
· the biological mother of one son with hemophilia and has at least 1 other blood relative with hemophilia
Hemophilia occurs in 1 of out of every 7,500 live male births in the United States. About 1 in 3 people with hemophilia has no family history of the disorder. ... Prenatal diagnosis can be used to determine if the fetus carries the hemophilia gene. Amniocentesis tests amniotic fluid cells for the sex of the fetus and hemophilia. ...
TYPES OF HEMOPHILIA
Hemophilia is classified by type and severity. ... Hemophilia is usually associated with 2 of these proteins, factor VIII and factor IX.
Approximate Word count = 2007
Approximate Pages = 8
(250 words per page double spaced)
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