Commercial DNA Testing

SAPDA – A new publicly available admixture inference program

DISCUSSION We are proud to announce the availability to the public of our latest genetic admixture inference program named SAPDA (Shared Ancestral Population Defining Alleles). Eurasians, whether Europeans or Asians, are genetically very similar to each other, with genetic similarities far outweighing any differences they have. Most Eurasians have descended from a few thousand individuals …

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23andMe’s New Admixture Date Estimator

I received a couple of inquiries asking what my thoughts were on the recently introduced 23andMe “Admixture Date Estimator”, which is detailed in their White Paper no. 23-14. Their theory appears mathematically and statistically sound, and appears to be heavily based on the size and distribution of the segments in your genome, however, the model …

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