Family Finder – Matches

Family Finder – Matches lists your autosomal DNA matches. The top section of the page allows you to filter your matches; the bottom section displays [...]

Our Three Basic Tests

We offer three basic types of tests: Family Finder (autosomal DNA), Y-DNA, and mitochondrial DNA (mtDNA).

Note: Click on the blue boxes () below for information on [...]

Blaine Bettinger – Genetic Genealogy Interview

Blaine Bettinger was one of the earliest to have a blog, The Genetic Genealogist, dedicated to using DNA for genealogy and personal ancestry. When I began [...]

What exactly do the centiMorgan values for DNA segments mean?

The centiMorgan (cM) values for DNA segments are measurements of how likely the segment is to recombine as it passes from parent to child. [...]

How do you determine the centiMorgan value for a DNA segment?

The Family Tree DNA bioinformatics team works with centiMorgan (cM) data from the International HapMap project.

Current knowledge of centiMorgan values across the human genome [...]