warrior gene

American  

[wawr-ee-er jeen, wawr-yer, wor-ee-er, wor-yer] / ˈwɔr i ər ˌdʒin, ˈwɔr yər, ˈwɒr i ər, ˈwɒr yər /

noun

Biochemistry.

1. a type A monoamine oxidase (MAOA) gene, in which the normal breakdown of the neurotransmitters serotonin, norepinephrine, and dopamine is impaired, resulting in elevated levels of these brain chemicals, which have been linked to correspondingly elevated levels of aggressive behavior.

---

Etymology

Origin of warrior gene

First recorded in 2000–05

Example Sentences

The rise and fall of the science underlying the warrior gene defense occurred in less than two decades.

From Washington Post • Mar. 18, 2021

The tabloid press loves stories about the so-called warrior gene, the Alzheimer’s gene, a gene to make us a world-class sprinter or fall in love with someone of the same IQ.

From National Geographic • Dec. 19, 2017

Besides the warrior gene, Jim says he inherited genes associated with antisocial behavior, low anxiety, and low empathy.

From Salon • Mar. 9, 2014

Some people's anger could be exacerbated by the presence of a "warrior" gene, Monoamine oxidase A, says Fisher.

From BBC • Apr. 23, 2013

A prosecutor called the "warrior gene" testimony "smoke and mirrors."

From Scientific American • Apr. 26, 2011