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You're older than you think.
DNA from an unnamed African-American from South Carolina is so distinctive that it led scientists to a unique conclusion: The roots of the human tree date back much further than previously thought.
"This lineage diverged from previously known Y chromosomes about 338,000 years ago, a time when anatomically modern humans had not yet evolved," said Michael Hammer, an associate professor in the University of Arizona's department of ecology and evolutionary biology and a research scientist at the UA's Arizona Research Labs. "This pushes back the time the last common Y chromosome ancestor lived by almost 70 percent."
Read more: http://www.foxnews.com/science/2013/03/06/adam-gene-chromosome-help-date-first-man/#ixzz2MnLjvoxz
DNA from an unnamed African-American from South Carolina is so distinctive that it led scientists to a unique conclusion: The roots of the human tree date back much further than previously thought.
"This lineage diverged from previously known Y chromosomes about 338,000 years ago, a time when anatomically modern humans had not yet evolved," said Michael Hammer, an associate professor in the University of Arizona's department of ecology and evolutionary biology and a research scientist at the UA's Arizona Research Labs. "This pushes back the time the last common Y chromosome ancestor lived by almost 70 percent."
Read more: http://www.foxnews.com/science/2013/03/06/adam-gene-chromosome-help-date-first-man/#ixzz2MnLjvoxz
