The discovery and UA analysis of an extremely rare African American Y chromosome push back the time of the most recent common ancestor for the Y chromosome lineage tree to 338,000 years ago. This time predates the age of the oldest known anatomically modern human fossils.
via ScienceDaily: Anthropology News http://www.sciencedaily.com/releases/2013/03/130305145821.htm?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+sciencedaily%2Ffossils_ruins%2Fanthropology+%28ScienceDaily%3A+Fossils+%26+Ruins+News+--+Anthropology%29
via ScienceDaily: Anthropology News http://www.sciencedaily.com/releases/2013/03/130305145821.htm?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+sciencedaily%2Ffossils_ruins%2Fanthropology+%28ScienceDaily%3A+Fossils+%26+Ruins+News+--+Anthropology%29
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