This is a continuation of my post Having a DNA Plan in Place with a worked example. The 1st step is to formulate a research question or goal. My goal is to identify who is the mother of my great-grandmother. You can view my posts about this challenge here . Next is to choose a DNA test. Since I am trying to identify a mother, I need to use mtDNA testing at FamilyTreeDNA. The 3rd step is to find a candidate. In the chart below, I created to illustrate the possible candidates to take a test. Brother 1, 3, and 4 are now deceased. Brother #2 is the best candidate. Remember, mothers pass mtDNA to all their children. There are no links that break this maternal line. If Brother #2 wouldn't be willing to submit a sample, I would need to trace down a descendant of the probable mothers' sibling(s), then hope that the person(s) would take a test. Hopefully, this post will help illustrate what a testing ...
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