Suppose an American suspects he is a descendant of George Washington and he has a strand of hair of George Washington. Can a DNA test be done to prove that he is indeed a true descendant of the great Founding Father?

How many generations apart can a DNA test for ancestry still be valid?

  • $\begingroup$ What research have you done to answer this (interesting) question yourself? You might be interested in the question of Thomas Jefferson's offspring. $\endgroup$ – anongoodnurse Jul 2 '17 at 13:53

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