Not skin color, but race, yes. We already know that there are genes that make certain races predisposed to certain types of behavior. [1] How do we know that

Not skin color, but race, yes. We already know that there are genes that make certain races predisposed to certain types of behavior. [1] How do we know that no similar genes exist that influence creditworthy behavior? 1. https://en.wikipedia.org/wiki/Monoamine_oxidase_A https://en.wikipedia.org/wiki/Monoamine_oxidase_A