Which DNA site is most accurate?

The best DNA kit overall. AncestryDNA. The AncestryDNA Origins + Ethnicity Test gets you access to the largest customer database, which means more detailed results and more family matches. The best DNA kit for health data. Amazon. The best budget DNA kit. MyHeritage. The best DNA kit for serious genealogists. FamilyTreeDNA.Jun 24, 2021

Is 23andMe or ancestry better?

Ancestry and 23andMe are both great if you just want a basic ethnicity report. Ancestry is the better option if youre looking to connect with family members and build your family tree. 23andMe is the go-to for health testing.

How accurate is AncestryDNA for half siblings?

Most half-sibling DNA tests are 99.9% accurate. However, as far as categorizing the results are concerned, this may not be accurate at all. There are instances where half-siblings were categorized as grandparent and grandchild, or cousins.

Is 23andMe ever wrong?

The simple answer is that 23andMe tests are highly accurate. But, some users still get inaccurate results. If you really want to understand how accurate a 23andMe test is, you need to understand how these tests work, what they are actually measuring, and how their algorithms predict your traits.