About AncestryDNA®
https://support.ancestry.com/s/article/About-AncestryDNA?language=en_US
WEBAncestryDNA uses microarray-based autosomal DNA testing. With a simple saliva sample, we survey your entire genome at over 700,000 locations. Then, we compare the data from your 700,000 markers to population data from more than 2,600 global regions.
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