XYY Syndrome
Medical Questions » Illnesses » XYY Syndrome
| Name: XYY Syndrome |
| Also known as: |
| Sex chromosome abnormality of males. |
Causes of XYY Syndrome
Congenital. Usually males have an X and Y chromosome (XY) and females two X chromosomes (XX). In one in 500 males, an extra Y chromosome is found to cause the XYY syndrome. Rarely even more Y chromosomes may be added to create XYYY and XYYYY. |
Symptoms of XYY Syndrome
Males who are tall, heavily built, aggressive and violent. |
Tests for XYY Syndrome
Diagnosed by examining the chromosomes in almost any bodily cell, and may be made before birth by amniocentesis or chorionic villus sampling. |
Treatment for XYY Syndrome
Behavioral therapy.
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Complications of XYY Syndrome of its treatment
The population in jails has a far higher proportion of men with this syndrome than is found in the general population. |
Likely Outcome of XYY Syndrome
No cure. |
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