If you have a Western Atlantic Modal Haplotype Match badge in the Badges section of your dashboard, it means that you match or are close to the historic Western Atlantic Modal Haplotype (WAMH) that has [...]
If you have a Niall of the Nine Hostages badge in the Badges section of your dashboard, this means that you match exactly or are a close match to the historic Irish Modal Haplotype (IMH). [...]
At FamilyTreeDNA, we test 561 Y-chromosome DNA short tandem repeat (STR) markers in our standard Y-STR tests: Y-DNA12, Y-DNA25, Y-DNA37, Y-DNA67, Y-DNA111, and Big Y. The chart below shows a list of all markers offered [...]
What is different about the STR markers DYS389I and DYS389II? Why is my DYS389II (DYS389-2) result at FamilyTreeDNA different from the Genographic Project?
The Y-chromosome DNA (Y-DNA) marker DYS389 is a single STR marker that has four parts: m, n, p, and q. At FamilyTreeDNA, we have two tests for DYS389. The first test looks at the first two [...]
You should test more Y-chromosome DNA short tandem repeat (STR) markers when you wish to compare additional markers against others with similar results. They will refine your matches for genealogical purposes. It does not increase the [...]
Yes. All of our Y-chromosome lineages trace back to a common ancestor who lived in Africa at least 115,000 years ago. Some lineages migrated out of Africa; others remained. This map shows each of the major [...]