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Age: 1,266.9 ± 4,538.5; CI=95% (Behar et al., 2012b)
Origin: Undetermined
Mutations: T6515C 8281-8289d A16166c
Parent Branch: I2
Descendant branch(s):


Haplogroup I2b is a branch on the maternal tree of human kind. The woman who started this branch lived at some point between recent generations and 5,800 years ago (Behar et al., 2012b).

mtDNA Haplogroup I2b 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.

09I2b6515 8281-8289d 16166CReleased 20 Jun 2010
10I2b6515 8281-8289d 16166CReleased 10 Aug 2010
11I2b6515 8281-8289d 16166CReleased 7 Feb 2011
12I2b6515 8281-8289d 16166CReleased 20 Jul 2011
13I2b6515 8281-8289d 16166CReleased 28 Dec 2011; Last Build to use the rCRS
14I2bT6515C 8281-8289d A16166cReleased 5 Apr 2012; First version to use the RSRS
15I2bT6515C 8281-8289d A16166cReleased 30 Sep 2012
16I2bT6515C 8281-8289d A16166cReleased 19 Feb 2014
17I2bT6515C 8281-8289d A16166cReleased 18 Feb 2016

mtDNA Haplogroup I2b 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
Hap5008865Finnilä et al., 2001nonenone
Hap5008866Finnilä et al., 2001noneI2b:143, 309d
Hap5008867Finnilä et al., 2001noneI2b:16519
Hap5008868Finnilä et al., 2001noneI2b:152, 309.1CT

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|
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