Is it cultural? If so then why haven't we overcome it.
I can say it cannot be baked into our genes, because of the timespan it takes for such a thing to occur. The last time humanity had any real genetic shifts, were when the population was small enough that (to a modern day observer) everyone would look like they were of the same race.
Is it cultural? If so then why haven't we overcome it.
I can say it cannot be baked into our genes, because of the timespan it takes for such a thing to occur. The last time humanity had any real genetic shifts, were when the population was small enough that (to a modern day observer) everyone would look like they were of the same race.