New Twist on Origin of Human Species

New study suggests that the last common ancestor shared between chimps and humans may be ~1 million years more recent than previous estimates. Additional findings reveal a particularly young age of one of the human sex chromosomes and point to a complex process of speciation, with possible interbreeding during speciation.

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<p><a href="http://www.physorg.com/news67095569.html">New Twist on Origin of Human Species</a></p> <p>New study suggests that the last common ancestor shared between chimps and humans may be ~1 million years more recent than previous estimates. Additional findings reveal a particularly young age of one of the human sex chromosomes and point to a complex process of speciation, with possible interbreeding during speciation.</p>