>>18211334As far as I know, there's no much of a problem if you have children with a high IQ person of any race. What the psycometrics researchs talking about the regress to the mean happen after some generations.
So if the person you mix will tend to have a mixed race with relative high IQ, but your grandson will suffer regress to the man depend who they will breed.
I'm very mix, ask me anything about it.