When researching my book I was told by experts that the intelligence genes which vary throughout the human population probably are linear. Consider President Obama who has a very high IQ but who also has parents who are genetically very different from each other. If intelligence genes worked in a non-additive complex way people with such genetically diverse parents would almost always be very unintelligent. We don't observe this.
Consider President Obama who has a very high IQ
Evidence?
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