Tolan K54
By TOLAN
Admixture Calculator
Calculator Details
Name
Tolan K54
Target Population
World
Author
TOLAN
Era
Modern
Number of Components
54
Description
Tolan K54 is a modern autosomal admixture calculator designed to deconvolute recent genetic ancestry by comparing a user’s genome to 55 carefully curated reference populations spanning Europe, the Mediterranean, the North Atlantic and circum-Baltic regions. It analyzes genome-wide SNP data to estimate proportional contributions from fine-scale regional groups — from Scandinavia and the British Isles through Central and Eastern Europe, down to Iberia, Italy, the Balkans and island populations such as Sardinia, Sicily and the Canaries. The calculator is optimized for global users with any European-derived ancestry and for researchers, genealogists, adoptees, and family historians seeking higher-resolution regional signals than broad continental assignments can provide.
Users gain intuitive breakdowns of ancestry proportions, highlighting subtle differences — for example distinguishing North- versus South-Italian components, tracing Scandinavian versus Orcadian/Norwegian inputs, or identifying Baltic, Saami, and Slavic-related signatures. Results are presented with context about historical population movements (Neolithic farmers, Bronze Age steppe migrations, medieval trade and colonization, and localized founder effects) so users can interpret patterns against known demographic events. Tolan K54 emphasizes transparency: outcomes depend on the size and composition of the reference panels, and estimates should be seen as probabilistic reconstructions rather than deterministic labels.
Why this calculator is valuable: it provides enhanced geographic granularity through a large, regionally resolved reference set, helping reveal ancestry signals that standard calculators often blur. It is particularly useful for resolving close neighboring populations, investigating regional pedigree hypotheses, and providing leads for archival research or targeted DNA matching. Tolan K54 is a practical, scientifically-grounded tool for anyone wanting a nuanced portrait of recent Eurasian
Reference Populations
Europe
- Sweden: Homeland of the Swedes, part of Scandinavia.
- Denmark: Scandinavia, known for Vikings history.
- North_Poland: Region including Pomerania, on the Baltic Sea.
- Poland_Sudovia: Historical region in northeastern Poland.
- Belgium: Country with diverse, multilingual culture.
- Piedmont_Italia: Northwest Italian region, bordering France and Switzerland.
- Venezio_Italia: Renowned for its canals and history, northeast Italy.
- Tuscany_Italia: Central Italy, known for history, art, and landscapes.
- Lazio_Italia: Central region surrounding Rome.
- Apulia_Italia: Southeastern Italy, featuring heel of Italy's \boot".
- Corsica_France: Mediterranean island, French region with unique culture.
- Sicily_Italia: Largest Mediterranean island, rich cultural blend.
- Sardinia_Italia: Large, mountainous island in the western Mediterranean.
- Bulgaria: Country in Southeastern Europe with diverse cultural influences.
- Montenegro: Balkan country known for its mountainous terrain.
- Albania: Balkan state with a distinct language and culture.
- Thrace_Greece: Northern Greece, sharing history with Bulgaria and Turkey.
- Peloponnes_Greece: Southern Greece, known for ancient ruins.
- Crete_Greece: Largest Greek island, crucial in early Greek history.
- Tyrol_Austria: Western Austria, known for Alpine culture.
- Slovakia: Central European country, with mountainous terrain.
- Hungary: Eastern Europe, with a unique language and history.
Northern Europe
- Finland_SW: Southwest Finland, known for Turku and Ă…land culture.
- Saami: Indigenous people living in Northern Europe (Sápmi).
- Karelia: Northern Europe region split between Finland and Russia.
- Norway_north: Part of Scandinavia, known for Northern Lights.
- Estonian: Baltic state known for digital advancement.
- Ireland: Known for lush landscapes and rich Gaelic history.
- SW-England: Distinct Anglo-Celtic region with strong maritime heritage.
- NE-England: Known for industrial history and distinct culture.
Eastern Europe
- Belarusia_East: Eastern part of Belarus, rich in Slavic culture.
- Ukraine_West: Western region with Catholic and Eastern European influences.
- Russia_Kursk: Western Russia, known for the Battle of Kursk.
- Russia_Rostov: Southern Russia, near Black Sea and Caucasus.
Central Europe
- Germany_East: Eastern part of Germany, known for Saxon and Prussian history.
- Moldavian: Between Romania and Ukraine, historically influenced by both.
- Croatia: Balkan country, known for its coastline and medieval history.
- Serbia: Balkan state, known for tumultuous history and diverse culture.
- Romania: Balkan nation, known for Transylvania and Carpathian Mountains.
- North-Germany: Region including historic Hanseatic cities.
- South-Germany: Includes Bavaria and Baden-WĂĽrttemberg, known for Alps.
- Austria: Known for its Alps and cultural contributions to Europe.
Western Europe
- West-Brittany: Region of France with distinct Breton culture.
- Rhone-Alpes: Southeastern French region, known for Lyon and Alps.
- Armorica: Historical region, now part of Brittany, France.
- Cotentin: Peninsula in Normandy, France.
- SW_France: French region with historical ties to Basque Country.
- Basque: Unique culture spanning Northern Spain and Southwestern France.
- Baleares: Spanish Mediterranean islands known for tourism.
- Spain: Iberian Peninsula country with diverse regional cultures.
- Portugal: Western Iberian Peninsula country, known for maritime history.
Northwest Europe
- Netherlands: Known for its flat landscape, canals, and tulip fields.
- Norway: Scandinavian country with rich Norse history.
- Orcadia: The Orkney Islands off the north coast of Scotland.
Canary Islands
- Canary: Spanish archipelago off the northwest coast of Africa. "
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 54 carefully selected modern populations as references, allowing for a detailed breakdown of your genetic heritage.
How It Works
Key Points
- Your DNA is compared to 54 reference populations
- Modern populations are used as references
- Results show your genetic similarity to these populations
Understanding Your Results
Your results will show percentages of genetic similarity to these reference populations. Remember:
- Results reflect genetic similarity, not direct ancestry
- Modern populations are used as references
- Percentages indicate relative genetic contribution from each population
- Results are estimates based on available reference data