Edge.org: " Raising the levels of testosterone in someone makes him more likely to interpret an emotionally ambiguous face as a threatening one (and perhaps act accordingly). Having a mutation in a particular gene increases the odds that she will be sexually disinhibited in middle age. Spending fetal life in a particularly stressful prenatal environment increases the likelihood of overeating as an adult. Transiently inactivating a region of the frontal cortex in someone and she acts more cold-hearted and utilitarian when making decisions in an economics game. Being a psychiatrically healthy first-order relative of a schizophrenic increases the odds of believing in "metamagical" things like UFOs, extrasensory perception, or literalist interpretations of the Bible. Having a normal variant of the gene for the vasopressin receptor makes a guy more likely to have stable romantic relationships. The list goes on and on (and just to make a point that should be obvious from this paragraph, but which still can't be emphasized too frequently, lack of free will doesn't remotely equal anything about genetic determinism)."
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