Assertion: triangulation's point | /r/HasProperty | the mrca
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Source sentences:
text: Triangulation also has a slightly different definition with regard to Y-DNA and mtDNA; the process is very similar, except the ‘triangle’ is often two-dimensional and the third point of the triangle is the MRCA instead of a third test-taker, which significantly lowers the confidence level of the conclusion (see the ISOGG wiki page here).