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X-linked recessive genetic defects There are several X-linked (or sex-linked) recessive genetic disorders, (hemophilia, muscular dystrophy) which are inherited through a genetic defect on an X chromosome. A female has 2 X chromosomes, one she inherited from her mother and one she got from her father. A male has an X chromosome from his mother and a Y chromosome from his father. If a woman has the defect on one of her X chromosomes, and the father's X chromosome is normal, there is a 25% chance for each pregnancy to produce: an unaffected girl; a girl who carries the defect; an unaffected boy; or a boy with the disorder.
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| Review Date: 8/17/2004 12:00:00 AM
Reviewed By: A.D.A.M. Medical Illustration Team
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Saint Francis Care
114 Woodland Street
Hartford, Connecticut 06105
(860) 714-4000
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