@snood,
I figured out why DNA testing hasn't figured out who has Indian blood or not. Remember in Geography classes, that passageway between Canada/America where people & animals migrated across for hundreds of years from Europe? Then some earth quake or flooding happened and it was gone? American Indians weren't here originally because their ancestors were born in Europe or Scandinavian countries and migrated over.
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Research by Kim TallBear, a professor of Native Studies at the University of Alberta, has established that there are no genetic markers of Native ancestry. In her book, Native American DNA: Tribal Belonging and the False Sense of Genetic Science, TallBear observes that tribal membership is a legal category, not a genetic one. She points out that it is impossible to disentangle individual genetic information from the constellations of family relations, reservation histories, tribal rules and government regulations in which genes are formed.
https://www.huffpost.com/entry/opinion-warren-cherokee-dna_n_5bc63a69e4b0a8f17ee6ba9a
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I saw documents from the government establishing Indian for my grandfather. My sister sent copies of some of it but I can't find them right now. Anyway it's not enough to get excited over. I would put the Crazy Horse in my name if it were true I had 100% no Indian, out affinity for their struggle.