This is one argument he needs to drop unless he’s already tested her DNA off her coffee cup. All it takes is one guy coming over to Jamestown with John Smith in 1607 to fool around with a native chick and he’ll have egg on his face.
They supposedly can determine percentage dominance. Been reading a wild book lately. When Scotland was Jewish. Lol. Apparently the greatest percentage was found in certain Scottish families from SE Scotland and NW Scotland. Lots of surprises await discovery.