It does
Ate lunch with a physician today and she told me of something she's done recently - she submitted her blood for a mitochondrial DNA test through:
http://www.familytreedna.comYou can trace your ancestral history through your bloodlines - exactly, no hearsay, no guessing... you can trace through your mother's line if you are female, or if you are male, through your mother's or father's line. Looks really cool, I think I'll join one of the surname projects and give it a try. Would be very cool to know your bloodline back for hundreds and hundreds of years