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Age: 6,051.9 ± 5,150.6; CI=95% (Behar et al., 2012b)
Origin: Undetermined
Mutations: A3948G
Parent Branch: X2e2
Descendant branch(s): X2e2a1 X2e2a2


Haplogroup X2e2a is a branch on the maternal tree of human kind. Its age is between 900 and 11,200 years (Behar et al., 2012b).

mtDNA Haplogroup X2e2a Phylotree History 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.

05X2e2a3948Released 8 Jul 2009
06X2e2a3948Released 28 Sep 2009
07X2e2a3948Released 10 Nov 2009
08X2e2a3948Released 21 Mar 2010
09X2e2a3948Released 20 Jun 2010
10X2e2a3948Released 10 Aug 2010
14X2e2aA3948GReleased 5 Apr 2012; First version to use the RSRS
15X2e2aA3948GReleased 30 Sep 2012
16X2e2aA3948GReleased 19 Feb 2014
17X2e2aA3948GReleased 18 Feb 2016

mtDNA Haplogroup X2e2a 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
Hap5007712Greenspan et al., 2006 - 2016noneX2e2a:200, 225, 315.1C, 3591, 16183C
Hap5008707Fernandes et al., 2012noneX2e2a:200, 309.1C, 315.1C, 16183C
Hap5008741Fernandes et al., 2012X2e2a:146, 152X2e2a:309.1CC, 315.1C, 7775, 8856, 16183C, 16325
Hap5008749Fernandes et al., 2012X2e2a:152X2e2a:315.1C, 8856, 16183C
Hap5014260Shlush et al., 2008X2e2a:16311X2e2a:10, 309.1C, 315.1C, 16183C

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
Hap10101236United StatesItalyItalyItaly
Hap10101237United StatesUnited StatesItalyItaly
Hap10101238United StatesUnited StatesSwitzerlandSwitzerland
Hap10101239United StatesUkraineUkraineUkraine
Hap10101240United StatesUnited StatesUnited StatesUnited States
Hap10101241United StatesUnited StatesUnited StatesUnited States
Hap10101242United StatesUnited StatesUnited StatesUnited States
Hap10101245United StatesUkraineUnspecifiedUkraine

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: November 30, -0001 at 0:00 am

-001-11-30T00:00:00+00:00June 6th, 2016|