With the holiday season upon us,23andMe is sprucing up its paternal haplogroup tree! With 23andMe population geneticist and Y-chromosome expert David Poznik at the lead, we’ve updated our Haplogroups Report to reflect meaningful developments in the field over the past few years. Were also excited to introduce yHaplo™, or our new open-source software for researchers.
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Source: 23andme.com