which is exceedingly "squishy" as noted in the attached link on the "Flynn Effect" (not to be confused with the 'low IQ' Michael Flynn)...see especially the section on IQ Group Differences. There is no objective measure or consensus that IQ differences are rooted in genetics.
Back to the question at hand...do you support Charles Murray's contention that Blacks are genetically inferior to Whites?
Link: https://en.wikipedia.org/wiki/Flynn_effect