A contradiction in DNA dating… or back to the drawing board

Recent changes to methods of dating DNA Most Recent Common Ancestor (MRCA) have moved timelines for common ancestors backwards as more data comes in… but particularly troubling is the almost 2000 year discrepancy between STR and SNP dates for the presumed-founder line Y-DNA subclade R-BY3210…. so we might be back to looking at the Iron Age rather than the medieval period for the common male-line ancestor of the clan founder. It is always possible that in this case SNP dating is less accurate than STR dating, but most everywhere else including my personal experience has shown the opposite.

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