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=Klinefelter's Syndrome=

-One of the most common genetic abnormalities
**__

Other names for this syndrome __** __**//Causes//**__ 1.**INHERITED:** a. Autosomal( Carried on chromosome # __3__) b. Sex-linked( Carried on the __"X"__ chromosome) c. Dominant.
 * XXY Male
 * 47,XXY
 * XXY Syndrome
 * XXY Trisomy

2.NON-DISJUNCTION of chromosome # __Extra "x" chromosome__.

3.Mutation: Male gains an extra x chromosome and developes like a female.

Klinefelter's Syndrome does not affect a certain race more thatn others.It usaully affects 1 to 500 to 1000 men. A women having a baby over the age of 35 can increase the likelihood of getting the disorder.
 * __Epidemiology__**

__**How Doctors Diagnose this disorder**__
 * __Symptoms__**
 * [[image:http://www.beliefnet.com/healthandhealing/images/si55551770_ma.jpg width="330" height="475" align="right" caption="symptons of a male with klinefelters"]]Affects different stages of physical, language, and social development.
 * Male will have trouble fathering children.
 * Less facial and body hair.
 * Less muscular.
 * Tend to be shy and have trouble fitting in.
 * Small testes.
 * Breast enlargement.
 * Tend to be taller than other males their age.
 * Increased risk of developing breast cancer and systemic lupus erythematosus.
 * May have learning disability.
 * Intellectual disability.
 * Distinctive facial features.
 * Skeletal abnormalities.
 * Poor coordination.
 * Severe problems with speech
 * Wide hips.
 * Frontal baldness absent.
 * Long arms and legs.
 * Narrow/brawd shoulders.
 * Vein diseases.
 * Osteoporosis.
 * Tooth decay.
 * Most often diagnosed when their grown using a karyotype( an analysis of the patients chromosomes taken from a blood sample)
 * Not determined until puberty.
 * __What life is like for a male with XXY syndrome.__**


 * __Prognosis__**
 * Their lifespan is normal, provided the patient has careful and consistent monitoring of his health.
 * Many men with Klinefelter's Sydrome lead full and active lives.

__//**Extra X chromosome found in male with klinefelters syndrome.**//__