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Age: 1,670.9 ± 3,443.5; CI=95% (Behar et al., 2012b)
Origin: Undetermined
Mutations: C7700T
FTDNA Tree: Link
Parent Branch: U6b1a
Descendant branch(s):


Haplogroup U6b1a1 is a branch on the maternal tree of humanity.

mtDNA Haplogroup U6b1a1 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
11 U6b1a 7700 Released 7 Feb 2011
12 U6b1a 7700 Released 20 Jul 2011
13 U6b1a 7700 Released 28 Dec 2011; Last Build to use the rCRS
14 U6b1a C7700T Released 5 Apr 2012; First version to use the RSRS
15 U6b1a C7700T Released 30 Sep 2012
16 U6b1a1 C7700T Released 19 Feb 2014
17 U6b1a1 C7700T Released 18 Feb 2016

mtDNA Haplogroup U6b1a1 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
Hap5014077 Secher et al., 2014 none U6b1a1:309.1C, 315.1C, 16519
Hap5015704 Olivieri et al., 2006 U6b1a1:195 U6b1a1:309.1C, 315.1C, 1555, 14279R
Hap5017920 Pereira et al., 2010b none U6b1a1:309.1C, 315.1C, 16048
Hap5017923 Pereira et al., 2010b none U6b1a1:309.1C, 315.1C
Hap5022165 Maca-Meyer et al., 2003 none U6b1a1:315.1C, 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

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