If you are a man, you have in your possession a Y chromosome that whispers a coded message from your
distant ancestors.
If we had a time machine, we could trace the Y chromosome of every man living today back to one man!
This is mind-boggling to contemplate, but if we take the journey step-by-step, there is no other destination.
Test results for just one person are like the “sound of one hand clapping”.
That one person can’t reveal anything about other people with the same surname.
Two samples (if they match) will demonstrate the haplotype of their most common recent ancestor.
For most theories, the hoped-for outcome is a match. A match can prove, for instance that families tracing
their roots to Donegal and Dublin actually share a common ancestor. Or it can testify to the accuracy of
Your research or establish once and for all that you really are related to someone famous!
