Essential DNA Guides
Essential DNA Guides
No biology degree required. Master the core mechanics of genetic genealogy, download your files, transfer databases, and unlock family relationships.
DNA Testing Basics
New to genetic genealogy? Understand the absolute basics of how Autosomal, Y-DNA, and mtDNA tests compare, and use our interactive selector to find your perfect test.
Raw DNA Data Guide
Learn what your Raw DNA file actually is, why you own it completely, and follow step-by-step instructions with visual tabs to export your file safely from Ancestry or 23andMe.
How DNA Uploads Work
Don't pay for multiple test kits. Discover how to transfer your raw file to MyHeritage, FTDNA, and GEDmatch for free to instantly double your matches and find missing relatives.
Understanding cM & Relationships
Demystify "cM" values on your match list once and for all. Explore the "Genetic Highway", view our shared cM cheat sheet, and use our embedded interactive cM predictor widget.