One of the commonest retorts to such evidence is to ask the question: ‘How do you explain the fact that I’m so different from my siblings? We had the same parents, were raised in the same house, had the same upbringing – so how come our brains don’t have similar patterns? It must be due to different genes.’ The answer is the remarkable fact that siblings don’t have the same parents. Each parent treats each child so differently that they might as well have been raised in completely different families. Believe it or not, our uniqueness has far more to do with that than with our genes. In the
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