There's a lot of research on this subject: https://en.wikipedia.org/wiki/Race_and_genetics https://en.wikipedia.org/wiki/Race_and_genetics which probably serves

There's a lot of research on this subject: https://en.wikipedia.org/wiki/Race_and_genetics https://en.wikipedia.org/wiki/Race_and_genetics which probably serves as a better rebuttal than the paragraph I'll write. Basically, if you try to divide people up into broad categories of race, you will find individuals in race A that are more genetically similar to some individuals in race B than other individuals in race A. You can define race in terms of the handful of genes controlling skin color, eyes, hair etc, but all the other genetic differences between people won't generally fall into that same pattern