Y-DNA Step Mutations

When comparing the results of Y-chromosome STR (short tandem repeat) tests, the difference between the two values at a marker is the Y-DNA genetic [...]

Which Y-DNA STR markers does Family Tree DNA test?

At Family Tree DNA, we test 111 Y-chromosome DNA short tandem repeat (STR) markers in our standard testing panels. The chart below shows a [...]

What does the WAMH badge on my personal page mean?

The Western Atlantic Modal Haplotype Match badge on the My Account – Personal Profile page of your myFTDNA account means that you match or are [...]

What does the Niall of the Nine Hostages badge on my personal page mean?

The Niall of the Nine Hostages Match badge on the My Account – Personal Profile page of your myFTDNA account means that you match exactly [...]