In response to:

Genes and Racism

Jeff2422 Wrote: Apr 23, 2013 2:33 PM
For that part of Africa, you are correct. Africa is a big place, so there is extraordinary height in some parts and shortness in others. Like I said, it is "likely", not definite for all persons of African descent. Just as those of African descent are more likely to have the sickle cell trait. African-Americans were literally bread (like live stock) during slavery to enhance certain traits such as muscle density. One of the horrors of slavery.
During decades of watching both collegiate and professional football, I have seen hundreds of touchdowns scored by black players -- but not one extra point kicked by a black player.

Is this because blacks are genetically incapable of kicking a football or because racists won't let blacks kick a football?

Most of us would consider either of these explanations ridiculous. Yet genes and discrimination were the predominant explanations of black-white differences offered by intellectuals in the 20th century.

It was genes that were the preferred explanation in the early decades of that century and discrimination in the later decades, as I show in my...