I am really not happy with these Ancestry DNA results (online link), as it is not important my Ethnicity, as it is my biological blood lineage. This test compares your DNA with I believe only those Subscribers of Ancestry who themselves have taken the DNA Test at the time you submit your saliva. I am Looking for Descendants of Claude Brudenell Eaton (1879-???) of New Hartford, Oneida Co., NY
Initial Results produced 6 Shared Ancestor Hints, Zero Starred Matches and 136 4th Cousins or Closer in relation. In my Opinion is a low tabulation, I have been a paid subscriber of Ancestry since May 2004, unknown as of this writing if DNA matches will increase in time.
The real challenge of DNA matching is to make sure that any identical pieces of DNA we (Ancestry) find are really identical because of a recent shared ancestor—rather than ancient shared history.
There are other reasons why two people’s DNA could be identical. After all, the genomes of any two humans are 99.9 percent identical. (And the genome of a human is 50 percent identical to the genome of a banana.) Pieces of DNA could be identical between two people because they are both human, because they are of the same ethnicity or come from the same region, because they share some other more ancient shared history, or other reasons. We (Ancestry) call these identical pieces of DNA identical by state (IBS), because the DNA is identical for a reason other than having a recent shared common ancestor.
Looking at the DNA sequence alone
doesn’t tell us the difference, so we’ve (Ancestry) developed a ground-breaking
scientific method that helps to distinguish DNA that is IBD (Identical By
Descent) from DNA that is not. Our (Ancestry) method looks at not only the
amount of identical DNA between two people, but also its location in the genome
and other features. (Get
more details on the process in our white paper pdf) If we find that you have
identical DNA with a potential DNA match that appears to be IBS (identical by
state) and due more to an ancient shared history, we won’t show them in your
list of matches.
I feel Results are also in Combination with Matching your online Family Tree Ancestors (from my 23+ years of researching since 1992), with other's who have posted Private or Public Trees, which may contain 3 to over 77,000 Ancestral Names, unknown to myself which shared Ancestor we have in common. Depending on another Researchers Experience from their research, may not necessarily be accurate.
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