Age: 22,693.8 ± 8,274.7; CI=95% (Behar et al., 2012b)
Origin: Undetermined
Variants: A16206c
FTDNA Tree: Link
Parent Branch: U2
Descendant branch(s): U2a1 U2a2

YFull Info

Name: U2a
Age: 39500 to 28200 ybp [95% CI]
Expansion: -
 Variants: A16206C

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

Haplogroup U2a is a branch on the maternal tree of humanity.

mtDNA Haplogroup U2a 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
01 U2a 16206C Released 27 Aug 2008
02 U2a 16206C Released 14 Oct 2008
03 U2a 16206C (16230) (16311) Released 1 Mar 2009
05 U2a 16206C (16230) (16311) Released 8 Jul 2009
06 U2a 16206C (16230) (16311) Released 28 Sep 2009
07 U2a 16206C (16230) (16311) Released 10 Nov 2009
08 U2a 16206C (16230) (16311) Released 21 Mar 2010
09 U2a 16206C (16230) (16311) Released 20 Jun 2010
10 U2a 16206C (16230) (16311) Released 10 Aug 2010
11 U2a 16206C (16230) (16311) Released 7 Feb 2011
12 U2a 16206C (16230) (16311) Released 20 Jul 2011
13 U2a 16206C (16230) (16311) Released 28 Dec 2011; Last Build to use the rCRS
14 U2a A16206c A16230G! T16311C! Released 5 Apr 2012; First version to use the RSRS
15 U2a (T195C!) A16206c A16230G! T16311C! Released 30 Sep 2012
16 U2a A16206c Released 19 Feb 2014
17 U2a A16206c Released 18 Feb 2016

mtDNA Haplogroup U2a 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 results over to build 17.

Hg IDOriginPublicationHg BLD16 Hg BLD17 Hg YFullMissing VariantsAdditional Variants

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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