Dodecad K12a

Dodecad K12a is a modern, 12-component genetic admixture calculator designed to estimate ancestral contributions in individuals from across the world. Using a curated set of reference populations—Mediterranean, Far_Asian, Siberian, North_European, South_Asian, West_African, Caucasus, Gedrosia, East_African, Southwest_Asian, Southeast_Asian, and Northwest_African—this model decomposes a genome into proportional affinities that reflect deep and recent population history. It is intended for genealogists, population geneticists, students of human history, and curious individuals who want a clear, interpretable snapshot of how their DNA relates to broad geographic and historical ancestries. The calculator outputs a percentage breakdown across the 12 components, visualized as bars or pie segments, and provides relative similarity to the reference clusters. Users can gain insights into major ancestral threads (for example, Mediterranean vs. Northwest African influence), detect signals of Eurasian steppe or South Asian admixture, and observe gradients consistent with historical migrations, trade routes, and admixture events. Because the reference set spans Africa, Europe, South and East Asia, and adjacent regions, the model is particularly useful for exploring complex, multi-regional backgrounds and for comparing neighboring populations. Historically, these components echo well-known demographic processes—ancient Near Eastern farmer expansion, Eurasian steppe movements, African trans-Saharan and coastal gene flows, and Asian north-south clines—though the calculator refrains from tying components to single archaeological cultures. Its value lies in making genomic structure approachable: it translates genotype data into a compact ancestral profile that helps generate hypotheses about ancestry and population history. Users should be aware of limitations: results depend on the chosen reference panel, are sensitive to sample composition, and represent statistical affinities r