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Genetic ancestry tests compare your DNA to reference populations and identify statistical similarities. They cannot determine citizenship, cultural heritage, or personal identity. Results show where similar genetic patterns exist today, not necessarily where your ancient matches lived. Understanding these limits prevents misinterpretation.

When we refer to 'populations' in genetic ancestry, we mean groups of individuals who share similar genetic patterns due to geography and history. These are scientific classifications, not social or cultural identities. A 'Scandinavian' genetic component doesn't make someone Viking—it indicates shared ancestry with people in that region.

Ancestry analysis uses statistical models to estimate your genetic composition. Reference populations serve as proxies for ancient and modern groups. Results are probabilities, not certainties. Different models using different references can produce different results for the same DNA—this is expected and reflects the nature of statistical inference.

Your DNA doesn't change, but our understanding of it does. As researchers sequence more ancient and modern genomes, reference databases expand. New samples from previously underrepresented regions improve accuracy. Methodological advances refine statistical models. Expect your results to evolve—this is a sign of progress, not error.