Archived Blog Posts

If your relationship is within recent generations (2^nd cousins or more recent relatives), shared autosomal DNA will almost surely be detected. Testing will also detect many 3^rd cousins and about half of your

Here is a link to a letter that Family Tree DNA sent to all its customers last week. Please note that the FBI is mainly using autosomal

It is thought that the rate of unannounced adoption or false paternity is about 1 – 3% per generation and compounds with each generation. When confirming your lineage, we recommend that you test yourself and your most distantly related male

According to an article by Dick Eastman in his Online Genealogy Newsletter, if you go back 40 generations, you have 2,199,023,255,550 ancestors. The problem: that is far more people than have ever lived on the face of the earth. How is that

SNPs (single nucleotide polymorphisms) offer a definitive answer to a potential relationship. When one person is positive (derived) for a SNP and the other person is negative (ancestral) for the same SNP, they are not related in genealogical