What Do PC3, PC4 and the Other G25 Axes Actually Mean?
G25 is not just PC1 and PC2 Most people's first contact with Global25 is a simple PCA plot with two axes: a horizontal o...
DNA Testing Tutorials
Step-by-step guides to help you get started with DNA ancestry testing.
Why an Ethnic Label on a DNA Reference Population Can Be Misleading
A label on a reference population describes a genetic profile, not a certified ethnicity Ancient DNA calculators are bui...
Ashkenazi, Sephardi, Mizrahi: Understanding Jewish Ancestry in Your DNA Report
Ashkenazi, Sephardi, Mizrahi: three very different genetic histories "Jewish ancestry" is not one single genetic signal,...
Why Your G25 Coordinates Don't Match Between Calculators
Why does the same person get different G25 numbers from different calculators? If you have ever pasted your Global25 coo...
Do You Have Native American Ancestry? How a DNA Test Reveals It
Many Americans and Canadians grow up with a family story: a Native American great-grandparent, a "Cherokee princess", an...
¿Cómo saber si tengo ascendencia indígena? Lo que tu ADN revela
Muchos latinoamericanos crecen con la misma pregunta: ¿cuánto de mi ADN es indígena? Una prueba de ADN puede darte una r...
¿Qué parte de tu ADN es europeo? Español, sefardí, italiano y más
El mestizaje latinoamericano no es solo indígena: también lleva siglos de herencia europea. Si te preguntas cuánto de tu...
Complete Guide: Getting Your BAM File from FamilyTreeDNA and Sending It to YFull
The BAM file is the complete sequence alignment generated by your Big Y test, it contains the raw reads of your Y chromo...
How to Use Vahaduo with G25 Coordinates: A Step-by-Step Guide
Vahaduo is one of the most powerful online tools to explore your deep ancestry using G25 coordinates, a set of principal...
How to Use G25 Coordinates (official or simulated) with G25 Calculators
If you're interested in exploring your ancient or modern ancestry using G25 coordinates (also called Global25), this gui...
Qu'est-ce que les données brutes d'ADN, comment les télécharger et où les transférer pour obtenir plus d'informations ?
Qu'est-ce que les données brutes de l'ADN ? Les données brutes de l'ADN sont le fichier numérique c...
How to generate Simulated G25 coordinates for free and use them ?
If you don't have G25 coordinates yet, don't worry! Here's a step-by-step guide to generating simulated coordinates usin...