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To: Right Wing Professor
Because if we were descended from a single pair of individuals, the 'clock' on our mitochondria, our somatic chromosome DNA and our sex chromosome DNA should read about the same.

Not if "mitochondrial Eve" had progenitors, which seems to be the case. Right?

From what I've read, "mitochondrial eve" and "chromosonal Adam" don't prove anything, one way or the other, regarding the ultimate origin of the human race.

As I read the Bible, in any case, we should have common descent from Noah, who should be our last common paternal ancestor;

If the story of Noah is literally true, which seems doubtful, as far as I know. It's an open question for Catholics.

370 posted on 01/20/2006 11:35:35 AM PST by Aquinasfan (Isaiah 22:22, Rev 3:7, Mat 16:19)
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To: Aquinasfan
Not if "mitochondrial Eve" had progenitors, which seems to be the case. Right?

It means your biblical 'Eve' has to be older than mitochondrial Eve - much older. That pushes the genetic bottleneck back to maybe half a million years. At that stage, were we human? Could Homo erectus have had a chat with a snake, or with Adam? And is it likely a viable species could be derived from two individuals?

376 posted on 01/20/2006 12:09:58 PM PST by Right Wing Professor
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