You are entitled to your speculative opinion, just as I am entitled to my previously stated evidential opinion that the human race has one common ancestral stream originating with Mitochondrial Eve & Y-chromosomal Adam.
Best wishes kenblogton
Indeed, if you are speaking about the human race today, you are quite right.
But of course, that would not apply to the human race during the lifetime of Mitochondrial Eve and Y-chromosome Adam, since they and their contemporaries would share different maternal and paternal common ancestors, who lived as far before them as they do before us.
That is the only point I am making.
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