Which is why it's hard to understand how the study suggests environment plays such an insignificant role. If you're born into a very poor home, and to use your

Which is why it's hard to understand how the study suggests environment plays such an insignificant role. If you're born into a very poor home, and to use your example, a poor black home in the US, I'm not convinced my IQ would overcome my environmental handicap. How many times out of 10 would you expect to make it to college and earn a high paying job while growing up black in some of the rougher city's and neighborhoods of the US?