This chart from the Shared cM Project shows ranges of total shared cMs observed for known relationship levels at each of the major DNA testing companies. An interactive version is available through DNA Painter’s Shared cM Project Tool. Courtesy of Blaine T. Bettinger, thegeneticgenealogist.com, CC 4.0 Attribution License. In previous articles, I have introduced the Shared cM Project and tools for evaluating shared DNA at DNA Painter. This column explores the resources in more detail and … [Read more...]