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Klinefelter's Syndrome: When a human has
X chromosomes and one Y chromosome on the 23rd pair of chromosomes.
This happens when there is an error in the cell division called nondisjunction. Resulting in a reproductive cell with an abnormal number of chromosomes.
SIGNS AND SYMPTOMS
1 in 1,000 boy infants have Klinefelter Syndrome
People with this will be sterile (unable to have children)
The cause of Klinefelter Syndrome is unknown, although it has been noted that the disorder is seen more frequently among the children of older women
Men can have breast tissue removed and shots of testostrone.
DiGeorge, Angelo M. “Klinefelter Syndrome.” In
Harrison Principles of Internal Medicine,
edited by Anthony S. Fausci, et al. New York: McGraw-Hill, 1998. Print
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