But don't uncork the champagne yet, because molecular clocks are not like Big Ben. Next Torroni et al measured the mtDNA of 18 other tribes throughout the Americas and, using the mutation rate just mentioned, computed how long ago these peoples had diverged from a common ancestor. So, be careful with this apparent anomaly.
Molecular clocks are tricky.
William R. Corliss Other Sites of Interest SIS . Catastrophism, archaeoastronomy, ancient history, mythology and astronomy. Free resource for people thinking about working at home. ABC Dating and Personals . For people looking for relationships.