Admixture Calculator

East Sea K12

**East Sea K12 — Modern 12-way admixture** A compact, global-ready calculator that breaks your autosomal DNA into 12 modern reference components (Dai, Han, Korean, Japanese, Mongolian-Tungusic, Yakut, Tibetan, Cambodian, Indian, Amerindian, European, African). Perfect for ancestry enthusiasts and researchers who want clear regional resolution across East, Southeast, Central and global admixture, with contextual historical notes and cautions.

12 Components

World Target Region

JH Author

Modern Era

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Chapter I

Calculator Details

Comprehensive information about this admixture calculator

Author JH

Era Modern

Components 12 Populations

Target Region World

Created November 2022

JH

Calculator Creator

About This Calculator

**East Sea K12 — Modern 12-way Admixture Calculator** **What this calculator analyzes** East Sea K12 decomposes an individual's autosomal DNA into proportions derived from 12 modern reference populations: **Dai, Han-Chinese, Korean, Japanese, Mongolian-Tungusic, Yakuts, Tibetan, Cambodian, Indian, Amerindian, European,** and **African**. Using allele-frequency comparisons and clustering across a global dataset, it estimates the fraction of genetic ancestry attributable to each reference group. **Who it's designed for** - Global users curious about their East Asian and adjacent-region ancestry - Adoptees, genealogy enthusiasts, and family researchers seeking regional signals - Students and researchers who want a compact, interpretable 12-component view **Insights you can gain** - Relative contributions from East, Southeast, Central, South Asian, and distant continental sources - Clear distinction between East Asian sub-regions (e.g., Han vs. Korean vs. Japanese) and northern steppe-related signals (Mongolian-Tungusic, Yakut) - Detection of low-level continental admixture (European, African, Amerindian) - Hypotheses about recent versus deep ancestry when combined with personal history **Historical and genetic context** The panel reflects modern population structure shaped by migrations and contact: southward Austroasiatic and Tai movements (Dai, Cambodian), northeast Asian expansions (Korean, Japanese, Mongolic/Tungusic), highland Tibeto-Burman lineages (Tibetan), Central Asian/North Eurasian influences (Yakut, Mongolian-Tungusic), and long-range gene flow via trade routes and colonial era contacts that introduce European, African, and Amerindian signals. **Why this calculator is valuable** - Offers a focused, interpretable snapshot (K=12) that balances regional resolution and global context - Helps users place their DNA within a modern East Asian–centric framework while still accounting for wider admixture - Useful as a starting point for deeper research, g

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Chapter II

Reference Populations

The populations used as genetic references in this calculator

12 Reference Populations

Asian Region

Dai: An ethnic group primarily found in the Yunnan province of China, related to Thai people.
Han-Chinese: The largest ethnic group in China, distinguished by a rich heritage and diverse subcultures.
Korean: Refers to the people of the Korean Peninsula with a shared language and history.
Japanese: Inhabitants of the Japanese archipelago with unique cultural and historical attributes.
Mongolian-Tungusic: Indigenous peoples of Mongolia and areas of Siberia, historically known for nomadic culture.
Yakuts: Indigenous to Siberia’s Sakha Republic, known for their adaptation to extremely cold climates.

Tibetan Region

Tibetan: Indigenous people mainly from the Tibetan Plateau, with a distinct historical and religious background.

Southeast Asian Region

Cambodian: Primarily the Khmer ethnic group, native to Cambodia, known for their ancient culture and history.

South Asian Region

Indian: A diverse group comprising various ethnicities and languages, native to the Indian subcontinent.

American Region

Amerindian: Indigenous peoples of the Americas with diverse cultures and histories predating European colonization.

European Region

European: Encompassing various ethnic groups native to the continent of Europe, each with unique cultures and languages.

African Region

African: Represents the rich diversity of ethnic groups native to the continent of Africa.

Chapter III

Understanding Admixture Analysis

Learn how admixture calculators work and how to interpret your results

What is Admixture Analysis?

Admixture analysis is a method used to estimate your genetic ancestry by comparing your DNA to reference populations from around the world. Think of it as creating a recipe of your genetic makeup, where the ingredients are different ancestral populations.

This calculator uses 12 carefully selected modern populations as references, allowing for a detailed breakdown of your genetic heritage.

How It Works

Your DNA is compared to 12 reference populations
Modern populations are used as genetic references
Results show your genetic similarity to these populations
More accurate with a diverse reference panel

Understanding Your Results

Your results will show percentages of genetic similarity to these reference populations. Remember these important points:

Results reflect genetic similarity, not direct ancestry
Modern populations are used as references
Percentages indicate relative genetic contribution
Results are estimates based on available reference data