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African American DNA Research Forum

" Emerging Prehistory of Ethnic Groups"

Speaking of analysis

Emerging Prehistory of Ethnic Groups
Thursday, June 16, 2011
As Revealed by Autosomal Markers

No scientific work, to our knowledge, has ever hazarded a guess on what the mutation rate for autosomal CODIS-type markers might be. Is it like mitochondrial DNA, which has a molecular clock measured in the thousands or tens of thousands of years, or is it like STRs on the Y chromosome, with its much shorter timeframe? The question is important if you are trying to extrapolate the history of the human race from today's autosomal population statistics.

From what we can see, putting on diachronistic lenses, the mutation rates for the DYS values on what are commonly called CODIS markers or the DNA profile for individuals are very small. The values appear to have been set from the beginning of mankind and to have mutated little in the past 100,000 years.


18 Dec 2002 :: 14 Nov 2008
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