Methodology deep-dives, population spotlights, and engineering notes from the Ancestrify team — qpAdm modelling, ancient DNA panels, and how genetic ancestry analysis really works.
2 stories
Where Global25 coordinates come from, how to get them whether you tested with 23andMe, AncestryDNA, MyHeritage, FamilyTreeDNA or LivingDNA, and how to tell a real coordinate row from a simulated one.
How relative verification from raw DNA files actually works — the kinship coefficient, half-identical and fully-identical segments, telling a parent from a sibling, and where the signal honestly ends.