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Age: 10,539.5 ± 2,474.8; CI=95% (Behar et al., 2012b)
Origin: Undetermined
Mutations: C7151T
Parent Branch: W3a1
Descendant branch(s): W3a1a1 W3a1a2 W3a1a3


Haplogroup W3a1a is a branch on the maternal tree of human kind. Its age is between 8,100 and 13,000 years (Behar et al., 2012b).

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.

04W3a17151Released 10 May 2009
05W3a17151Released 8 Jul 2009
06W3a17151Released 28 Sep 2009
07W3a17151Released 10 Nov 2009
08W3a17151Released 21 Mar 2010
09W3a1a7151Released 20 Jun 2010
10W3a1a7151Released 10 Aug 2010
11W3a1a7151Released 7 Feb 2011
12W3a1a7151Released 20 Jul 2011
13W3a1a7151Released 28 Dec 2011; Last Build to use the rCRS
14W3a1aC7151TReleased 5 Apr 2012; First version to use the RSRS
15W3a1aC7151TReleased 30 Sep 2012
16W3a1aC7151TReleased 19 Feb 2014
17W3a1aC7151TReleased 18 Feb 2016

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

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
Hap10098999United StatesUnited StatesUnited StatesUnited States

If you use the information in this table, please credit both this site and The National Geographic Society’s Genographic Project.

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.

Last Updated: Last updated: November 30, -0001 at 0:00 am


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