Human ancestors (Introduction)

by David Turell @, Wednesday, September 05, 2012, 17:52 (4463 days ago) @ David Turell

There were four branches of humans. We are the one left, but there was some sexual interplay:-http://www.scientificamerican.com/article.cfm?id=denisovan-genome&WT.mc_id=SA_CAT_MB_20120905


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