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Re: Mike Tiernan post# 15861

Friday, 07/23/2004 9:13:21 AM

Friday, July 23, 2004 9:13:21 AM

Post# of 82595
Mike, that is interesting. So we seem to have the following "groups":

Europeans: European Parental, US Caucasians, Continental Europeans

Asian Populations: Chinese, Japanese, South East Asian, South Asian and Pacific Islander

American Populations: Hispanic

African Populations: West African Parentals, African Parentals, North Africans, Puerto Ricans

European and Middle Eastern Populations: North African, Middle Eastern, Northern European, Ashkenazi Jewish, Mediterranean

We also seem to have some limited Amerind classification capability.

In the table they identify Irish, Greek, Italian and Mexican source populations; although it seems that there is not enough resolution in the test to differentiate these currently.

So, we seem to be moving from a 4 way classification (European, Sub Saharan African, Native American, East Asian) to a 20 (?) way classification (or 16-18 way if you go by the "groups" in the table at the bottom). Again, it is not entirely obvious what the "groups" are.

And of course: "These are actual ANCESTRYBYDNA 2.5 results..." so it does seem as if there is a gradual progression from 2.5 to 3.0 classification even though we are still ostensibly "only" using 175 markers. The number of groups also broadly corresponds with comments previously made by Richard Gabriel:

http://www.dnaprint.com/2003/pressreleases/Jul04ShareHolder.htm

We improved our consumer product ANCESTRYbyDNA™ and upgraded it from a 71-marker test to a 175-marker test. We intend to continue improving the product, its accuracy and its ability to scan a broader platform of genetic heritage. Our goal is to expand our current 4 categories of inherited genetic markers to 8 and possibly 16 categories.