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Results 1 - 1 of 1 for Historical
  1. What is genetic ancestry testing?: MedlinePlus Genetics 
    ... what they can learn from relatives or from historical documentation. Examination of DNA variations can provide clues ... female ancestors that may be lost from the historical record because of the way surnames are often ...
    https://medlineplus.gov/.../dtcgenetictesting/ancestrytesting - Genetics