Scientists have identified a gene that’s linked to increased risk of violent or aggressive behavior. It’s the MAOA gene — also known as the “warrior gene.”
This doesn’t mean that this gene causes psychopathy — the disorder develops due to a complex interaction of heredity and life experiences. But this may be a piece in understanding the psychopathy puzzle.
A single gene has been linked with being a psychopath — and it’s very controversial, on Finance.Yahoo.com.