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Relationship Estimators
Each company provides an estimate on the the most likely relationship you have with a match. They all note that, with the exception of parent/child or identicals (twin, triplets, ect), the predicated relationship has a range of possibilities. The relationship estimate for the same match can be different at each company for several reasons:
- Different Chips (different places on the DNA is tested)
- Different Algorithms
- Native vs Transfer Sample (did you test directly or transfer a test in?)
Third party tools try to improve the accuracy of these estimates, which improves the accuracy of figuring out where someone fits in a tree.
Third Party Tools :
- DNA Painter’s Shared CM Project
- DNAAdoption’s Relationship Estimator
- Add more about each tool
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