How far back do DNA tests go?

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Tags

1. #mitochondrial
2. #brings
3. #recent
4. #within
5. #ancestor
6. #matches
7. #sharing
8. #sequence
9. #times
10. #matching
11. #about
12. #years
13. #genomic
14. #generations
15. #common
16. #maternal
17. #means
18. #chance