The Extra WY Chromosome Could Explain Criminality in Some Men

In the early 1980s, researchers in scotland published a theory suggesting that an extra x chromosome could explain criminality in some men. Theories quickly fell apart when research showed there was no connection between y and violence. Molly says we're still trying to understand old fashioned ways of thinking about what sex and gender are. And i think it's calling one part of the body sex potentially dangerous," she adds....