Monday, December 17, 2012

XYY syndrome - Wikipedia, the free encyclopedia

XYY syndrome - Wikipedia, the free encyclopedia:

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During the late 1960s, geneticists, sociologists, and others began looking atprison populations to see if XYY men were disproportionately represented. (Note: Patricia Jacobs was lead author on the most famous paper about XYY, “Aggressive behavior, mental sub-normality and the XYY male,” and for this reason XYY is also called Jacobs syndrome.) Many people asserted that not only did XYY men commonly have violent criminal tendencies — the biochemist Mary Telfer characterized them as “perhaps too highly sexually motivated” — but that such males could be diagnosed by physical and mental traits, which included tall stature, long limbs, facial acne, mild mental retardation, and aggressive behavior.

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