Age: 4,550.3 ± 2,467.0; CI=95% (Behar et al., 2012b)
Origin: Undetermined
Variants: T3777C A15758G
FTDNA Tree: Link
Parent Branch: K1a1b2a
Descendant branch(s): K1a1b2a1a

YFull Info

Name: K1a1b2a1

Age: 9800 to 3100 ybp [95% CI]

Expansion: -

Variants: T3777C A15758G

Note: This information does not imply an endorcement of YFull or their methods. It is provided at the request of readers.


Haplogroup K1a1b2a1 is a branch on the maternal tree of human kind. Its age is between 2,100 and 7,000 years (Behar et al., 2012b).

mtDNA Haplogroup K1a1b2a1 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 Variants (Mutations) Notes
14 K1a1b2a1 T3777C A15758G Released 5 Apr 2012; First version to use the RSRS
16 K1a1b2a1 T3777C A15758G Released 19 Feb 2014
17 K1a1b2a1 T3777C A15758G Released 18 Feb 2016

mtDNA Haplogroup K1a1b2a1 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 ID Origin Publication Hg BLD16 Hg BLD17 Hg YFull Missing Variants Additional Variants
Hap5007886 - Greenspan et al., 2006 - 2016 K1a1b2a1 - none K1a1b2a1:309.1C, 315.1C, 15071, 16213

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 ID Birth
Birth Country
Maternal Grandmother's
Birth Country
Hap10060919 United States United States Canada Canada
Hap10060920 United States United States United States United States
Hap10060921 United States United States Unspecified United States
Hap10060922 Unspecified Unspecified Unspecified Unspecified
Hap10060923 Unspecified Unspecified Unspecified Unspecified
Hap10060924 Unspecified Unspecified Unspecified Unspecified
Hap10060925 Unspecified Unspecified Unspecified Unspecified

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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