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"Macho" Gene That Makes Men Behave Aggressively Has Been Found, Prince Henry's Institute of Medical Research Study


3/8/2012 7:27:40 AM

The pulse quickens, the heart pounds and adrenalin courses through the veins, but in stressful situations is our reaction controlled by our genes, and does it differ between the sexes? Australian scientists, writing in BioEssays, believe the SRY gene, which directs male development, may promote aggression and other traditionally male behavioural traits resulting in the fight-or-flight reaction to stress.

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