47+XYY

(Or XYY Karyotype) **
 * 47 XYY
 * This disease is also known by, Jacob's syndrome, xyy Karyotype, xyy syndrome, and yy syndrome.**

** How commen is this disorder ?? ** 47 XYY is commen, 1 in 1,000 new born boys are born with it. And 5 to 10 boys with this disease are born in the U.S. What are the symptoms?? - Males with this disease are taller than average. -increased risk of learning disabilities and delay speech and language skills, such as sitting and walking. -anger problems -weak muscle tone -hand tremors -emotional disorders are also possible -learning problems ** Current research ** **you do NOT have a shorten life span. And you can't tell that a guy has this just by looking at him. 
 * You may be wondering how do people inherit this disorder??** Most cases of 47 xyy, is inherited. it usualy accurs as a random event. It happens when an accident in the cell division (also known as non disjunction) can result in sperm cells with an extra copy of the Y chromosome. If a male has an extra Y when he produces a son; his son will most likely have this disorder also.

Is there any cures to this disorder?? ** There is a cure for this disorder called "Early intervention" but children must have it at an early age toprevent the symptoms

**Is there any foundations for this disorder and what is the main goal??** There is a foundation for 47 xyy, its called "March of dimes Birth Defects Foundation." This foundations main goal is to prevent or decrease the amount of baby boys born with this disorder.

**Interestingfactsaboutthissyndrome??** Medical genetics question wether the term " syndrome" is appropriate for this condition because its phenotype is normal and vst majority of 47 xyy males do not know their karyotype. they just have an extra chromosome (47) instead of a regular 46