Scientists Find 'Liberal Gene' | NBC San Diego
I've always said liberals were not normal. Actually, that's only partially true. My own pet theroy for many years was that liberals tended to be right brain dominant (emotional / artistic). However, some fairly recent developments in the lateralization of the brain may have disruped that theory. This one can now take its place.Researchers have determined that genetics could matter when it comes to some adults' political leanings.
According to scientists at UC San Diego and Harvard University, "ideology is affected not just by social factors, but also by a dopamine receptor gene called DRD4." That and how many friends you had during high school.