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Age: 1,497.0 ± 2,891.4; CI=95% (Behar et al., 2012b)
Origin: Undetermined
Mutations: A12729G
FTDNA Tree: Link
Parent Branch: B2a1a
Descendant branch(s):


Haplogroup B2a1a1 is a branch on the maternal tree of human kind. The woman who started this branch lived at some point between recent generations and 4,400 years ago (Behar et al 2012b).

mtDNA Haplogroup B2a1a1 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 B2a1a1 A12729G Released 5 Apr 2012; First version to use the RSRS
15 B2a1a1 A12729G Released 30 Sep 2012
16 B2a1a1 A12729G Released 19 Feb 2014
17 B2a1a1 A12729G Released 18 Feb 2016

mtDNA Haplogroup B2a1a1 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
Hap5002026 Behar et al., 2012b none B2a1a1:309.1CC, 315.1C, 16183C
Hap5003192 Behar et al., 2012b B2a1a1:195 B2a1a1:309.1C, 315.1C, 16183C
Hap5004039 Behar et al., 2012b none B2a1a1:315.1C, 16183C, 16291, 16519
Hap5009701 Herrnstadt et al., 2002 B2a1a1:146, 152, 195, 247, 499, 8281-8289d, 16111, 16129, 16187, 16217, 16223, 16230, 16278, 16311, 16483 B2a1a1:1-576d, 8276A, 8277-8284d, 16024-16569d
Hap5020768 Achilli et al., 2013 none B2a1a1:315.1C, 16183C, 16291, 16519
Hap5020769 Achilli et al., 2013 none B2a1a1:57A, 103, 309.1CC, 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
Hap10043367United StatesUnited StatesFranceFrance
Hap10043370United StatesUnited StatesMexicoMexico
Hap10043371United StatesUnited StatesMexicoMexico
Hap10043372United StatesUnited StatesMexicoMexico
Hap10043373MexicoMexicoUnited StatesUnited States
Hap10043374United StatesUnited StatesUnited StatesUnited States
Hap10043375United StatesUnited StatesUnited StatesUnited States
Hap10043377United StatesUnspecifiedUnspecifiedUnited 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: November 30, -0001 at 0:00 am

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