And unlike autosomal DNA, it only comes from one parent, your mother. On the other hand, mtDNA is found outside of the nucleus, and it is much shorter and simpler. Your parents’ DNA is a mixture of their parents, and so on back through time. This is passed down in roughly equal amounts from each of your parents, and is a mixture of both. Most genealogical DNA tests look at autosomal DNA, which examines the autosomes found in the cell’s nucleus. They can be tested differently, and tell you different things. And even though the exact same DNA is found in every cell, you have more than one type of DNA. What is mitochondrial DNA testing?ĭNA is found in every cell in your body. We’ll also look at which company’s mtDNA test has the most to offer when it comes to genealogy (spoiler alert, the best mtDNA test is from FamilyTreeDNA). Let’s take a look at what mtDNA is, how it’s different, and why an mtDNA test is right for you. Mitochondrial DNA (mtDNA) testing offers different information which may be key in uncovering your past. The most common DNA test for genealogy is autosomal testing, but that’s not the only type available.
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