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African-American's Y Chromosome sparks shift in Evolutionary Timetable

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Dark Matter radio Ronnnie mclean

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Tonight on Dark Matter Radio an Evolutionary shift from African American to Original Indigenous with your Host Ronnie McLean

Scientists say an African-American male's odd genetic signature suggests that the human Y chromosome's lineage goes back further in time than they hought than any other as far back as 338 thousand years.

"This really upsets a lot of ideas," said Michael Hammer, an evolutionary biologist at the University of Arizona who is one of the authors of a study published in the American Journal of Human Genetics.

The study focuses on the analysis of a DNA sample that was obtained from an African-American living in South Carolina and submitted to the Genographic Project, a National Geographic effort aimed at mapping human origins and migration. The funny thing about this sample is that it didn't match up with any of the previously known genetic signatures for the Y chromosome, which is passed down from father to son.

"Nobody expected to find anything like this," Hammer said in a news release.

 

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