Kline-felter syndrome

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 Kliene-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.Cite error: Invalid <ref> tag; refs with no name must have content 


File:XXY karyotype


References
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[1]
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[2]

  1. [(6/11/13) Kline-felter syndrome, Available at: https://en.wikipedia.org/wiki/Klinefelter_syndrome (12/11/13)]
  2. [Daniel L. Hartl. (2012) Genetics: analysis of genes and genomes, 8th edition, Burlington, MA : Jones &amp; Bartlett Learning]