> Most of an individual's intelligence is inherited from their parents Note that heritability numbers are specific to a particular environment. E.g. if you hav

> Most of an individual's intelligence is inherited from their parents Note that heritability numbers are specific to a particular environment. E.g. if you have a more random environment with some kids exposed to lead poisoning, some to malnourishment and some to parasites you will get lower heritability figures. Most studies on this are conducted in countries like Sweden and the USA on middle class populations.