What are SNP markers?
They define which Haplogroup you are in. We are able to broadly predict your haplogroup from your Surname DNA/Y-STR results, but our new test actually defines where your Y-chromosome lies on the Y-Chromosome Tree to a far higher level. This results in a much more defined geographic placement. As an example, where it was once achievable to tell if your Y-chromosome was Haplogroup I (Central European), we’re now able to focus the test and determine if your Y-chromosome is in fact sub-haplogroup I1b2 (almost exclusively found in Sardinia).
