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By 2018, more and more people were sending their raw DNA to companies who would cut out the unnecessary, test the valuable part, map it, and compare it with their existing database. As databases grow, so do users results and matches. Genetic testing is taken by individuals interested in knowing who their ancestors were, their milestones, where they came from, and what migration patterns they may have taken. Fast forward to today, DNA changes from person to person enable consumers to trace their ancestry in a more personal and detailed way than written or oral histories. Sometimes, these stories were backed up by historical documentation. Previously, people would learn about their ancestors through stories told by elders or parents. Now, many people want to know where their ancestors came from and what their DNA says about their ancestry in addition to primarily health tests.īut how accurate is DNA testing for ancestry? How do companies get those percentages? Do I need to know how ancestry works to understand my results? We will provide answers to these questions and many more below. At first, motivations appeared to be genetic predispositions to disease, carrier status, or even tests that provide personalized menus of food could help maintain good health. Today, there are still growing numbers of people going to direct-to-consumer companies to get their DNA decoded.
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The MIT Technology Review also found that in 2018, people took more ancestry DNA tests than all the previous years combined.
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This exponential increase in interest in these tests began in late 2017 and early 2018, thanks to a substantial TV and online marketing campaign. In 2019, more than 26 million people worldwide took an at-home ancestry DNA test, according to the MIT Technology Review of that year.