Kline-felter syndrome
Kline-felter syndrome is a genetic disorder found in males adding an extra X chromosme to the normal male karyotype. These individuals are usuallly refered to as 47,XXY males.
This karyotype is usually present in only 1:500 to 1:1000 live births but is the most common sex chromosome aneuploidy in males. The phenotype of the disorder is usually only presented after maturation.
The most common symptoms of Kliene-felter syndrome are sterility, hypergonadism, mild mental impairment and enlargment of the breasts.[1][2]
References
- ↑ [(6/11/13) Kline-felter syndrome, Available at: https://en.wikipedia.org/wiki/Klinefelter_syndrome (12/11/13)]
- ↑ [Daniel L. Hartl. (2012) Genetics: analysis of genes and genomes, 8th edition, Burlington, MA : Jones & Bartlett Learning]