(August 15, 2014 at 4:32 pm)Undeceived Wrote: I agree with that explanation. But I still want to know, how are the genetics involved incompatible with Adam and Eve? According to evolution, we are all descended from one person/ape/whatever- pick any stage in history. I'll ask once more as clearly as I can: Why is Adam and Eve proven impossible by genetics?
http://whyevolutionistrue.wordpress.com/...a-contest/
Quote:Unfortunately, the scientific evidence shows that Adam and Eve could not have existed, at least in the way they’re portrayed in the Bible. Genetic data show no evidence of any human bottleneck as small as two people: there are simply too many different kinds of genes around for that to be true. There may have been a couple of “bottlenecks” (reduced population sizes) in the history of our species, but the smallest one not involving recent colonization is a bottleneck of roughly 10,000-15,000 individuals that occurred between 50,000 and 100,000 years ago. That’s as small a population as our ancestors had, and—note—it’s not two individuals.
Further, looking at different genes, we find that they trace back to different times in our past. Mitochondrial DNA points to the genes in that organelle tracing back to a single female ancestor who lived about 140,000 years ago, but that genes on the Y chromosome trace back to one male who lived about 60,000-90,000 years ago. Further, the bulk of genes in the nucleus all trace back to different times—as far back as two million years. This shows not only that any “Adam” and “Eve” (in the sense of mitochondrial and Y-chromosome DNA alone) must have lived thousands of years apart, but also that there simply could not have been two individuals who provided the entire genetic ancestry of modern humans. Each of our genes “coalesces” back to a different ancestor, showing that, as expected, our genetic legacy comes from many different individuals. It does not go back to just two individuals, regardless of when they lived.
I think the reality is a bit more complex than you are envisioning it. Think of how complex family lineages can be. Extrapolate that to thousands of families over millenia, spread across a large geography.
At no point *ever*, were their only two humans. Never happened. Nor were there ever two dogs, two cats or two wombats.
A&E is a dead duck. The trick for the non-fundy is how to reconcile these facts with all of the A&E baggage.