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Age: 12,051.5 ± 3,524.3; CI=95% (Behar et al., 2012b)
Origin: Undetermined
Mutations: C280g A9448G
Parent Branch: K1a4
Descendant branch(s): K1a4b1


Haplogroup K1a4b is a branch on the maternal tree of human kind. Its age is between 8,500 and 15,600 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.

01K1a4b280G 5747 6023 6975 7388 8410 9448 13105 13395Released 27 Aug 2008
02K1a4b280G 5747 6023 6975 7388 8410 9448 13105 13395Released 14 Oct 2008
05K1a4b280G 9448Released 8 Jul 2009
06K1a4b280G 9448Released 28 Sep 2009
07K1a4b280G 9448Released 10 Nov 2009
08K1a4b280G 9448Released 21 Mar 2010
09K1a4b280G 9448Released 20 Jun 2010
10K1a4b280G 9448Released 10 Aug 2010
11K1a4b280G 9448Released 7 Feb 2011
12K1a4b280G 9448Released 20 Jul 2011
13K1a4b280G 9448Released 28 Dec 2011; Last Build to use the rCRS
14K1a4bC280g A9448GReleased 5 Apr 2012; First version to use the RSRS
15K1a4bC280g A9448GReleased 30 Sep 2012
16K1a4bC280g A9448GReleased 19 Feb 2014
17K1a4bC280g A9448GReleased 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
Hap5007327Greenspan et al., 2006 - 2016K1a4b:16093K1a4b:315.1C, 8029, 13281, 13590, 14470
Hap5019285Costa et al., 2013K1a4b:13105, 16093K1a4b:309.1C, 315.1C, 6173, 9058, 13993, 16080, 16290

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
Hap10062826United StatesUnited StatesItalyItaly

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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