Date for Last Common Ancestor?

T&B Schmal (
Sat, 10 Aug 1996 00:22:04 +0000

I am interested in bracketing the dates for the last common ancestor of
humankind. Would a good guess be somewhere between "Eve" and the
appearance of modern man - say, between 200 and 50 Kya? It seems to me
that dates outside this range would be impossible.

Is this on track and can this range be narrowed? Suggestions welcomed.

Tom Schmal
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