The "XYY syndrome" refers to the belief that men with an extra "Y" chromosome are ______.

Question

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The "XYY syndrome" is associated with the belief that men with an extra "Y" chromosome (making their chromosome pattern XYY instead of the typical XY) are predisposed to violent and aggressive behavior. This belief stems from early studies that suggested a correlation between the XYY karyotype and increased aggression, although later research has called into question the strength of this association.

The "XYY Syndrome" Refers to the Belief That Men with an Extra