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Age: 15,328.9 ± 6,057.6; CI=95% (Behar et al., 2012b)
Origin: Undetermined
Mutations: A1692G C4680a
Parent Branch: G2b2
Descendant branch(s):


Haplogroup G2b2a is a branch on the maternal tree of human kind. The woman who founded this line lived between 9,300 and 21,400 years ago (Behar et al 2012b).

mtDNA Haplogroup G2b2a 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.

07G2b2a1692 4680AReleased 10 Nov 2009
08G2b2a1692 4680AReleased 21 Mar 2010
09G2b2a1692 4680AReleased 20 Jun 2010
10G2b2a1692 4680AReleased 10 Aug 2010
11G2b2a1692 4680AReleased 7 Feb 2011
12G2b2a1692 4680AReleased 20 Jul 2011
13G2b2a1692 4680AReleased 28 Dec 2011; Last Build to use the rCRS
14G2b2aA1692G C4680aReleased 5 Apr 2012; First version to use the RSRS
15G2b2aA1692G C4680aReleased 30 Sep 2012
16G2b2aA1692G C4680aReleased 19 Feb 2014
17G2b2aA1692G C4680aReleased 18 Feb 2016

mtDNA Haplogroup G2b2a 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
Hap5006140Chandrasekar et al., 2009G2b2a:8877G2b2a:315.1C, 1198, 9305, 12130, 12358, 16519
Hap5006141Chandrasekar et al., 2009G2b2a:195, 6932G2b2a:183, 309.1C, 315.1C, 4216, 6116, 12912, 16294, 16519

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

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|