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Klinefelter's Syndrome

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by

Stephanie Eubanks

on 10 December 2013

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Transcript of Klinefelter's Syndrome

Symptoms and Signs of Klinefelter's Syndrome
Symptoms and signs of this disease differs among affected individuals. Most often, the affected individals will have smaller testes, not producing as much testosterone as usual. Shortages of testosterone can cause delayed puberty, gynecomastia (breast enlargement), reduced body/facial hair, and infertility.
How Can this Disorder be Treated?
The best way to treat Klinefelter's Syndrome is to go through hormone replacement therapy. Teenagers may also be given testosterone injections to replace the hormones that are normally produced by the testes. Synthetic testosterone works as well- building muscle and increasing hair growth.
The cause of this disease is an extra X chromosome in each cell, creating the genotype XXY. This also means that the individual now has 47 chromosomes, instead of 46. This disorder is y-linked. Some even more extreme cases have more X chromosomes, giving genotypes such as XXXY or XXXXY.
Unfortunately, Klinefelter Syndrome is nearly impossible to avoid, as the disorder is caused by completely random genetic mutations.
Are there carrier or lethal forms of this disorder?
There are no carrier or lethal forms of Klinefelter's Syndrome because the disorder occurs at random events, so there cannot be any carriers. There are no deadly forms of this disorder. The worst possible effects on you would be infertility and disabilities.
Klinefelter's Syndrome
Affected individuals also may have genital differences, including:
Cryptochidism
Hypospadias
Micropenis

The affected are also much more likely to develop breast cancer and systemic lupus erythematosus (a chronic inflammatory disease). Studies show that they actually become equally as likely, if not more likely, to develop these illnesses as women.
What is Klinefelter's Syndrome?
Klinefelter's Syndrome is a chromosomal condition that affects male cognitive and physical development.
How is this Disease Inherited?
Klinefelter's Syndrome is actually not inherited. The chromosomal changes that cause the individual to be affected usually occur at random events during the formation of reproductive cells (sperm/egg) in the parent. Nondisjunction can result in an abnormal number of chromosomes.
Credits
• http://ghr.nlm.nih.gov/condition/klinefelter-syndrome
• http://kidshealth.org/parent/pregnancy_center/newborn_care/cryptorchidism.html
• http://www.sharecare.com/health/chromosomal-disorders/can-klinefelter-syndrome-be-prevented
• http://www.webmd.com/parenting/baby/tc/hypospadias-topic-overview
• http://en.wikipedia.org/wiki/Micropenis
• http://learn.genetics.utah.edu/content/disorders/whataregd/klinefelter/
• https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&docid=2tKWsnjocHJF-M&tbnid=bVCmqYVqtJ77DM:&ved=0CAQQjB0&url=http%3A%2F%2Flearn.genetics.utah.edu%2Fcontent%2Fdisorders%2Fwhataregd%2Fklinefelter%2F&ei=0dmjUrPVJufW2QXJ-YHQCw&bvm=bv.57752919,d.b2I&psig=AFQjCNEWHqF4XnPj00zZqKYX5BKfOowSlg&ust=1386556203790896
• http://www.beliefnet.com/healthandhealing/getcontent.aspx?cid=11722
• http://www.tokyo-med.ac.jp/genet/index-e.htm

By Stephanie Eubanks
Full transcript