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FamilyTreeDNA offers analysis of autosomal DNA, Y-DNA, and mitochondrial DNA to individuals for genealogical purpose. With a database of more than two million records, it is the most popular company worldwide for Y-DNA and mitochondrial DNA, and the fourth most popular for autosomal DNA. In Europe, it is the most common also for autosomal DNA.
Some genealogy software programs – such as Family Tree Maker, Legacy Family Tree (Deluxe Edition) and the Swedish program Genney – allow recording DNA marker test results. This allows for tracking of both Y-chromosome and mtDNA tests, and recording results for relatives.
Sykes deduced that despite Somerled's reputation for having driven out the Vikings from Scotland, Somerled's own Y-DNA closely matched that of the Vikings he fought. In 2024 a study by Peter Biggins, Administer of the Clan Colla Project at Family Tree DNA, points out that the chiefs of Clan Donald who have Viking DNA are descended Angus Og.
In 2000, Family Tree DNA was the first company to provide direct-to-consumer genetic testing for genealogy research. It initially offered eleven-marker Y-chromosome STR tests and HVR1 mitochondrial DNA tests but not multi-generational genealogy tests.
Surname projects are now being hosted by testing companies. Some labs even store the submitted samples for a number of years, enabling additional tests to be performed as they become available. By far the largest collection of Y-DNA test results is maintained by Family Tree DNA, including many surname projects that make direct use of those results.
Data from Family Tree profiles includes a limited subset of DNA Relatives profile information and does not include ancestry information such as the percentage of DNA shared with genetic matches or ...