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Age: 9,789.2 ± 3,684.0; CI=95% (Behar et al., 2012b)
Origin: Undetermined
Mutations: A9097G
FTDNA Tree: Link
Parent Branch: B2a
Descendant branch(s):


Haplogroup B2a2 is a branch on the maternal tree of human kind. The woman who founded this line lived between 6,100 and 13,500 years ago (Behar et al 2012b).

mtDNA Haplogroup B2a2 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
07 B2a2 9097 Released 10 Nov 2009
08 B2a2 9097 Released 21 Mar 2010
09 B2a2 9097 Released 20 Jun 2010
10 B2a2 9097 Released 10 Aug 2010
11 B2a2 9097 Released 7 Feb 2011
12 B2a2 9097 Released 20 Jul 2011
13 B2a2 9097 Released 28 Dec 2011; Last Build to use the rCRS
14 B2a2 A9097G Released 5 Apr 2012; First version to use the RSRS
15 B2a2 A9097G Released 30 Sep 2012
16 B2a2 A9097G Released 19 Feb 2014
17 B2a2 A9097G Released 18 Feb 2016

mtDNA Haplogroup B2a2 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
Hap5003186 Behar et al., 2012b B2a2:16111 B2a2:309.1CC, 315.1C, 4180, 8348, 13035, 16182C, 16183C
Hap5010441 Just et al., 2008 none B2a2:64, 315.1C, 346, 6383, 9007, 16183C, 16193.1N
Hap5017742 B2a2:16111, 16311 B2a2:309.1CC, 315.1C, 4180, 8348, 13035, 16183C
Hap5020773 Achilli et al., 2013 B2a2:16111 B2a2:309.1CC, 315.1C, 4180, 8348, 13035, 16183C
Hap5020774 Achilli et al., 2013 B2a2:16111 B2a2:309.1CC, 315.1C, 4180, 8348, 13035, 16182C, 16183C
Hap5020775 Achilli et al., 2013 B2a2:16111 B2a2:309.1C, 315.1C, 4180, 8348, 13035, 16182C, 16183C
Hap5022307 Zheng et al., 2011 B2a2:499, 8281-8289d, 16217 B2a2:64, 346, 499N, 6383, 9007, 16183d, 16217N

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
Hap10043401United StatesMexicoMexicoMexico
Hap10043402UnspecifiedUnited StatesMexicoMexico
Hap10043403United StatesUnited StatesUnited StatesUnited States
Hap10043404United StatesUnited StatesUnited StatesUnited States
Hap10043405United StatesUnited StatesUnited StatesUnited States
Hap10043406United StatesUnited StatesUnited StatesUnited States
Hap10043407United StatesUnited StatesUnited StatesUnited States
Hap10043408United StatesUnited StatesUnited StatesUnited States
Hap10043409United StatesUnited StatesUnited StatesUnited States
Hap10043410United StatesUnited StatesUnited StatesUnited States
Hap10043411United StatesUnited StatesUnited StatesUnited States
Hap10043412United StatesUnited StatesUnited StatesUnited States
Hap10043413United StatesUnited StatesUnited StatesUnited States
Hap10043414United StatesUnited StatesUnspecifiedUnited States
Hap10043415United StatesUnited StatesUnspecifiedUnited States
Hap10043416United StatesUnited StatesUnspecifiedUnited States
Hap10043417United StatesUnited StatesUnspecifiedUnited States
Hap10043418United 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: November 30, -0001 at 0:00 am

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