Purpose

Dr. Albert Mohler, a conservative Christian and president of the Southern Baptist Theological Seminary, issues a daily podcast on current events called The Briefing. It has become a kind of hobby of mine to respond to him when it moves me, from my own liberal atheist perspective. I would not do this if I did not respect Dr. Mohler and take him seriously, and if I did not think he was an influential intellectual -- exerting an influence I wish to counter. My longer comments will now be posted here rather than to Dr Mohler's Facebook page.

Dr. Mohler and I disagree on just about everything, except this: the country is deeply divided by families of assumptions called "worldviews", and if we are to understand each other, we must take worldview differences into account. When he misrepresents liberal positions, I will try to correct him. When I see contradictions, confusions or obfuscations in what he says, I will point them out. My goal is better mutual understanding, and if possible, a narrowing of differences. I will not try to convert him or his followers to atheism. This is about issues, about our shared public life -- about living together -- not about religion per se. Reader comments are welcome.

Thursday, June 15, 2017

Racism, Evolution and the Unity of the Human Race



In his 6/15/17 Briefing, Dr. Mohler discussed, on the one hand, this week’s SBC condemnation of racism and white supremacy, and on the other, recent fossil discoveries by scientists that suggest that our species may have evolved, not in a single region in East Africa 200,000 years ago, as previously thought, but as a network of groups spread across the whole African continent stretching back 300,000 years.

Dr. Mohler emphasized that rejection of racism relies on belief in the unity of humanity, and that Christians "ground the unity of the entire human race in the fact that we all have ultimately one human father and one human mother known in the Scripture as Adam and Eve.” So, in Dr. Mohler’s view, this revision of the evolutionary narrative of human origins poses an even more serious problem for the unity of humanity, and so for equal respect, than evolutionary theory already did:

“... the unity of the human race is made not only implausible, it’s impossible in terms of this telling of the story.... One of the biggest questions we should have ... [for] evolutionary scientists is how exactly they would argue for the unity of the human race. Taken at face value, these media reports concerning the scientific research would seem to undermine utterly any claims for the unity of humanity and that puts us in a very bad position [morally].”

Although not an evolutionary scientist, I will answer Dr. Mohler’s question. What Dr. Mohler’s discussion lacks is the concept of a ‘gene pool’, defined as “the stock of different genes in an interbreeding population.”

If different groups of proto-humans had evolved separately in different places, and stayed put, and never mixed in any way until the present day, the chances are they would not even be a single species today. But that is very far from what is being claimed. The idea is that there were many different groups spread across Africa, but that there was (perhaps only occasionally) interbreeding between them, so that successful genes spread through the various groups over time. Since those early times there has been a great deal of mixing, so that we all share many ancestors from many different places.

This fact – that we all belong to the same gene pool – is the basis for the unity of humanity. We are all different but we also all share an overwhelming amount. The fact is that, biologically, there are no races. Genetic diversity is far more multifarious and overlapping than division into a few racial groups is capable of describing. (See the works of Cavalli-Sforza.) You see this in the recent TV ads for “23 and me”, where people are discovering, from a test of their DNA, their many different ancestral origins.

Even if we all don't share a single pair of human parents, we still – according to the scientific/secular worldview – belong to the same extended human family.

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