Links
DNA Explained
DNAeXplained – Genetic Genealogy is a resource by Roberta Estes for learning how DNA can enhance family history research. The site offers clear, practical articles that explain DNA testing, results interpretation, and research strategies for all experience levels. With step-by-step guidance and real-world examples, it helps genealogists use DNA to better understand their family stories.
DNA Geek Blog
The DNA Geek blog by Dr. Leah Larkin offers clear explanations, practical how-tos, updates on DNA testing tools and transfers, and commentary on using DNA results effectively in family history research. It’s especially helpful for researchers looking to understand testing options, interpret matches, and stay informed about developments in the genetic genealogy community.
Genetic Affairs (Clustering)
This online genetic genealogy tool helps unlock the power of DNA with advanced genetic analysis and family discovery tools. As of February 2026, new users get a free trial, with subscribers gaining access to premium features.
The Genetic Genealogist
The Genetic Genealogist blog and resource site by Blaine Bettinger was launched on February 12, 2007 as one of the very first blogs to examine the intersection of traditional genealogical techniques and modern genetic research, more commonly known as “genetic genealogy.”
ISOGG - International Society of Genetic Genealogist
The ISOGG's mission is to advocate for and educate about the use of genetics as a tool for genealogical research, and to promote a supportive network for genetic genealogists. Their Wiki was established for the benefit and education of the genetic genealogy community.
DNA Shared CentiMorgan Project Tool
The Shared cM Project (ScP) online genetic genealogy tool by Blaine Bettinger is a collaborative data collection and analysis project created to understand the ranges of shared cM associated with various known relationships.
DNA The Leeds Method
The Leeds Method is a genetic genealogy tool to organize DNA matches into groups based on shared ancestors. By reviewing your closest DNA matches and noting which matches also share DNA with each other, you can sort them into clusters that usually represent your four grandparent lines. This website by Dana Leeds includes videos, blogs and other resources for genetic genealogy.
DNA Testing - FamilyTreeDNA
FamilyTreeDNA - testing Autosomal DNA (atDNA) called Family Finder, Y-DNA (Y-STRs and Y-SNPs), and Mitochondrial DNA (mtDNA).