Identifying the most recent common ancestor of contemporary human populations is difficult because

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    dating must be done as a separate process and calibrated
     different phylogenetic trees can be constructed from the data
     the most recent common ancestor may or may not be an anatomically modern human
     all of the above
asked Jun 29, 2012 in Anthropology by anonymous
    

1 Answer

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all of the above
answered Jun 30, 2012 by Bioshare ~Top Expert~ (34,070 points)

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