Basal Eastern Asia Ancestral

The Basal Eastern Asia Ancestral calculator quantifies deep, ancient ancestry components using a panel of carefully chosen Upper Paleolithic and early Holocene reference genomes. It models contributions from eight reference populations—Xingyi_EN, Jomon, Tianyuan_UP, Hoabinhian, ANS_ANE, WHG_UP, Mbuti, and WestAfrica—to estimate how much of an individual’s or population’s genome traces to major prehistoric lineages. Designed for researchers, genetic genealogy enthusiasts, students of human prehistory, and anyone curious about ancient population structure, this tool focuses on the Ancient era and is applicable to global samples.

What it analyzes: Using allele-sharing patterns and comparative modelling against ancient reference genomes, the calculator deconvolves genomes into component ancestries that reflect major demographic episodes in Eurasia and beyond. It highlights deeply divergent East Asian lineages (e.g., Tianyuan_UP, Xingyi_EN), island hunter-gatherer heritage (Jomon), Southeast Asian hunter-gatherer roots (Hoabinhian), Ancient North Eurasian signals (ANS_ANE), Western European hunter-gatherer input (WHG_UP), and baseline sub-Saharan African variation (Mbuti, WestAfrica).

Insights you can gain: Users learn proportional ancestry estimates tied to prehistoric migrations, admixture events, and persistence of archaic lineages. The calculator clarifies whether apparent East Asian ancestry reflects recent admixture or derives from basal, deeply diverged Eastern lineages; it can reveal hidden Ancient North Eurasian or WHG contributions and contextualize African ancestry relative to ancient sub-Saharan variation.

Historical/genetic context: The selected references span key geographic and temporal anchors across Eurasia and Africa, enabling interpretation of how Ice Age expansions, coastal migrations, and local hunter-gatherer persistence shaped modern genomes.

Why it’s valuable: By framing modern DNA against ancient genomes, this calculator offers a robust, intu