Klinefeltersjúkdómur
Klinefeltersjúkdómur is a genetic disorder that occurs in males. It is caused by the presence of an extra X chromosome, resulting in the karyotype 47,XXY. Normally, males have one X and one Y chromosome, but in this condition, an extra X chromosome is present, leading to a mixture of male and female characteristics.
The condition was first described by British clinician Harry Klinefelter in 1942. It is estimated to affect
The exact cause of Klinefeltersjúkdómur is still not fully understood, but it is believed to be the
Klinefeltersjúkdómur is considered a condition rather than a disease, and individuals with the condition lead more