Does Punk Rocker Henry Rollins Have The Warrior Gene?04:29
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(ynse/Flickr)
(ynse/Flickr)

A geneticist follows up our recent segment on whether some men have a genetic predisposition to violence.  We spoke with Henry Rollins, the former punk rocker who describes himself as fairly furious at all times, and host of a new documentary, "Explorer: Born To Rage," about what scientists have  called "the warrior gene."

Rollins was tested for the gene and does not have it, but our interview with him raised some questions from listeners.  We learn more about this gene from Dr. Robert Green, medical geneticist as Boston University.

This segment aired on December 16, 2010.

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