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Created with Fabric.js 1.4.5 Jacob's Syndrome(46-XY Karyotype or XYY Syndrome) This is a genetic syndrome which occurs when a male is born with an extra Y chromosome. Most cases of XYY syndrome are due to a cell division error. It is not very common, however, and only 1 in 1,000 males are diagnosed with it. When the disease was first discovered, there were many different stereotypes, such as that men with the diseasewere overly-aggressive or lacking empathy.But this was proven to be untrue. Most characteristics found in males for this disease are often undiagnosed or misdiagnosed.Some physical characteristics are:increased height which shows up around age five or six (average height is 6ft 3in by adulthood), and most experience severe acne in adolescence. Other characteristics are mental. Boys with XYY syndrome typically have normal intelligence, however, their IQ is sometimes 10 to 15 points lower than their siblings. Fifty percent of cases of this disease reported to have learning disorders, mainly speech delays and language problems. XYY syndrome cannot be cured, however, there are treatments that can reduce symptoms or the effects caused by it. Surgeries, medications, and/or speech, physical, or educational therapy can aid in the process of combating this syndrome. Link to chart about XYY syndrome
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