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Age: 14,223.9 ± 5,552.9; CI=95% (Behar et al., 2012b)
Origin: Undetermined
Mutations: G143A G153A!
FTDNA Tree: Link
Parent Branch: X2m’n
Descendant branch(s): X2m1 X2m2


Haplogroup X2m is a branch on the maternal tree of human kind. Its age is between 8,700 and 19,800 years (Behar et al., 2012b).

mtDNA Haplogroup X2m Phylotree History

Phylotree.org is the maternal (mtDNA) tree of humanity. It is maintained by Dr. Mannis Van Oven. Each build is a major update to the tree. The current build is #17.

Build# Called Mutations Notes
14 X2m G143A T226C Released 5 Apr 2012; First version to use the RSRS
15 X2m G143A G153A! Released 30 Sep 2012
16 X2m G143A G153A! Released 19 Feb 2014
17 X2m G143A G153A! Released 18 Feb 2016

mtDNA Haplogroup X2m Data Sources

GenBank Samples

GenBank is a database of genetic sequence data. It is run by the United States National Institute of Health. It serves as the main repository for mtDNA full sequence profiles. Samples come both from published academic literature and donations from genetic genealogy community members. In addition to GenBank samples, listings below may include other samples published but not submitted to GenBank such as those from the HapMap project.

Note: GenBank results currently use Phylotree build 16. I am working on changing resuts over to build 17.

Hg IDPublicationMissing VariantsAdditional Variants

Geno 2.0 Data

Data from Geno 2.0 is derived from the The National Geographic Society’s Genographic Project — the DAR. The Hg ID is specific to this site and is used to protect the identities of those who take part in Genographic research. Birth Country, Mother's Birth Country, and Maternal Grandmother's Birth Country have been normalized from DAR database fields. The Maternal Origin is determined based on the three previous fields.

Note: Geno 2.0 results currently use Phylotree build 16. I am working on changing resuts over to build 17.

Hg IDBirth
Birth Country
Maternal Grandmother's
Birth Country
Hap10101300CanadaCanadaUnited KingdomUnited Kingdom
Hap10101301CanadaUnited KingdomUnited KingdomUnited Kingdom
Hap10101302United StatesUnited StatesUnspecifiedUnited States
Hap10101303United StatesUnited StatesUnspecifiedUnited States

If you use the information in this table, please credit both this site and The National Geographic Society’s Genographic Project.

Sources & Resources

Related Sources

Additional Resources

mtDNA Consultants

The following members of the community offer paid consulting for those seeking help with mtDNA results. Inclusion on this list is not a recommendation or endorsement of any service.


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Last Updated: Last updated: August 28, 2018 at 16:58 pm

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