I’ve been poking into the reasons why my 1998 mtDNA test at Oxford Ancestors produced a different result than a 2007 test at FamilyTree DNA. FTDNA is standing by their results. Rebekah Canada on the Genealogy-DNA Mailing List assures me, “These days FTDNA tests for the V SNP in the coding region. If they say…
Category: Genetics
Reconstructing the Family Tree
I missed Lesley Stahl’s piece “On The Hopes And Limitations Of Genetic Genealogy” on 60 Minutes yesterday. Fortunately, CBS put it online: Rebuilding The Family Tree.
Changing mtDNA
When you order a DNA test, even if you don’t really think about it, you expect that the results will stay the same over time. Sure, geneticists might re-classify or re-label the result, but the actual physical result will be the same. Not so, it seems. I had an mtDNA test at Oxford Ancestors in…
Seven Daughters of Eve
I received this replacement certificate from Oxford Ancestors in October 2007. It shows my place in the Velda clan (Haplogroup V2), as well as the relative size and relationship of the seven European clans. Interpreting your DNA sequence Your certificate shows a read-out of your DNA sequence (in purple) and, above it, a chart of…
Analyzing Genetic Samples
Tracing Your Ancestry: Computer Program Accurately Analyzes Anonymous DNA Samples Science Daily – A group of computer scientists, mathematicians, and biologists from around the world have developed a computer algorithm that can help trace the genetic ancestry of thousands of individuals in minutes, without any prior knowledge of their background. Unlike previous computer programs of…