Admixture Calculator

LM Genetics Global K3

**LM Genetics Global K3 — Three-way global ancestry snapshot** A fast, easy-to-read admixture calculator that reduces worldwide genetic diversity into three major ancestry components using nine regional reference groups. Ideal for genealogists, educators, and anyone wanting a clear continental-scale view of heritage. Not designed for fine-scale population assignment or medical interpretation.

3 Components

World Target Region

LM Genetics Author

Modern Era

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Chapter I

Calculator Details

Comprehensive information about this admixture calculator

Author LM Genetics

Era Modern

Components 3 Populations

Target Region World

Created November 2022

LM Genetics

Calculator Creator

About This Calculator

**LM Genetics Global K3 — Rapid, global three-way admixture model** This calculator projects a genotype onto a compact, global three-component (K=3) ancestry model trained on a broad reference panel that includes nine regional groups (Negroid, Sub‑Saharan African, Europeid, European, Middle Eastern, Caucasus, Mongoloid, East Asian, Native American). It summarizes complex worldwide diversity into three principal ancestry axes that reflect the deepest continental-scale structure. What it analyzes - Estimates the proportion of an individual's genome assigned to three major ancestry clusters derived from the nine reference populations. - Uses a simplified model to highlight broad continental affinities and major admixture trends rather than fine-grained population assignments. Who it's for - Genealogy enthusiasts and curious individuals seeking a clear, easy-to-interpret summary of global ancestry. - Researchers and educators needing a quick comparative view across world populations. Insights you can gain - Continental-scale ancestry proportions (e.g., African, West Eurasian, East Eurasian/Native American axes). - Major admixture patterns such as recent mixed heritage or predominant regional affiliation. - A starting point for deeper analysis with higher-K models or targeted regional panels. Historical and genetic context - Human genetic variation is shaped by ancient migrations (Out-of-Africa, Eurasian dispersals, peopling of the Americas) and more recent population movements. This K=3 model captures those broad separations while the nine reference groups anchor the clusters to familiar regional genomes. Why this calculator is valuable - Fast, interpretable, and well suited for global overviews where clarity matters. It provides a robust, low-resolution snapshot of ancestry that is ideal for comparison, teaching, and initial exploration. Caveats - Labels in the reference set reflect historical conventions and are used for anchoring; they do not define individual

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Chapter II

Reference Populations

The populations used as genetic references in this calculator

3 Reference Populations

Negroid

Sub-Saharan African: Populations native to the region of Africa south of the Sahara Desert, known for significant ethnic, cultural, and linguistic diversity.

Europeid

European: Native populations from Europe, characterized by a wide range of cultures and languages across the continent.
Middle Eastern: Populations native to the region comprising parts of Western Asia and parts of Northern Africa, with a rich history of ancient civilizations and diverse cultures.
Caucasus: Groups originating from the Caucasus region, located at the border of Europe and Asia, known for its ethnic variety.

Mongoloid

East Asian: Populations from East Asia, including countries like China, Japan, and Korea, with distinct cultural practices and languages.
Native American: Indigenous peoples originally from the American continents, characterized by diverse tribes and cultures.

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 3 carefully selected modern populations as references, allowing for a detailed breakdown of your genetic heritage.

How It Works

Your DNA is compared to 3 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