Before I was a mom I used to think that parents who worried about their kids watching MTV were just clueless. Now that I'm a mom, I see what the fuss was all about! ↗
I was very much a product of the public-school system. There was only one other kid in my class who had parents not involved in the stock market or law. ↗
So no, it's not all in the genes, but what isn't in the genes isn't in the family environment either. It can't be explained in terms of the overall personalities or the child-rearing practices of parents. ↗