Y-DNA STRs

Western Atlantic Modal Haplotype Badge

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 [...]

Niall of the Nine Hostages Badge

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). [...]

Which Y-DNA STR markers do FamilyTreeDNA test?

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 [...]

Don’t we all go back to Africa?

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 [...]