What Is Klinefelter Syndrome?
2. Causes
A mentioned, Klinefelter syndrome happens when the patient has an extra X chromosome. This is something that can happen when either r the father’s sperm, or a mother’s egg, is created with one X chromosome too many. This is completely random and it could happen to just about anybody.
The most common variety is that the patient will have an extra X chromosome in each of their cells. There is also mosaic Klinefelter syndrome, which means that only some of the cells have an extra X chromosome. Some patients will have more than once addition X chromosome, and this condition is likely to cause some severe symptoms for the patient.
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