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What Is The Technology Behind Commercial DNA Tests?

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Commercial DNA tests have become increasingly popular in recent years, with millions of people taking tests from companies like AncestryDNA and 23andMe to learn more about their ancestry and health. These tests are done scientifically, using a process called genetic sequencing, to analyse a person’s DNA and provide information about their ancestry and genetic health risks. How do you keep your Genealogy Records? Paper or Online? The process of taking a commercial DNA test begins with collecting a DNA sample….

How Can I Work Out What Relationship Someone Is To Me From DNA cM Shared?

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Sometimes, you’ll get a match on AncestryDNA, 23andme, FTNDA or another commercial DNA test and not know who this person is, or how they fit in to your tree. Using DNA Painter you can eliminate the relationships that aren’t possible and narrow your list down to a few possibilities and find out what relationship you have based on DNA shared. How do you keep your Genealogy Records? Paper or Online? Firstly just enter in the cM shared or percentage between you…

Does DNA Testing Show Both Maternal and Paternal Ancestry?

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Many commercial DNA tests such as Ancestry or 23andMe offer up a massive wealth of information on the tester’s ancestry, however some information is sometimes misinterpreted when researching DNA tests. A lot of people seem to think that if a male takes a test they can only see their Paternal Ancestry and if a female takes a test they can only see the Maternal part. This is not necessarily true, there are three main types of DNA test. Autosomal, Y-DNA…

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