I want to make something very clear here because this is starting to become a major topic of discussion and a lot of ill-informed skepticism is rising from every corner of the Internet. The correlation between race and IQ scores has less to do with genetic differences and a lot more to do with difference in our social environment.
Assuming that this absurd argument is true and not a misleading statistical mirage; African Americans generally having lower IQ scores does not remotely mean that one's intelligence is therefore limited by their race, as all this does is emphasize on the belief that genetic inheritance somehow gives us an intellectual advantage and superiority over others (fucking nationalism). This also limits our understanding of human intelligence to just genetics, which is one hell of an understatement and contradicts the mutually accepted belief that human intellect is heavily influenced by mimicry.
Intelligence is a lot more complicated than a simple score that, while arguably may serve as a form of measurement of one's intelligence and should never go underestimated, should also never be seen as the ultimate scope which defines what intelligence can be. We have evolved to become the specie we are today due to social interaction, everything we know and are capable of doing today is a product of mimicking each other. Music, art, language and communication, math and sciences, technological advancements, religious and political ideologies, the social and cultural environment under which we are raised; all of these things play a major role in shaping one's intelligence and understanding of the world, and each and every one of them are a result mimetic inheritance, not genetic.