Haplogroup I is a branch on the maternal tree of human kind. It is a child of haplogroup N1a1b It was likely born in the West Asia around 21,000 years ago. (Behar et al., 2012b)
Most researchers consider the birthplace of I to have been born in West Asia.
Behar et al., 2012b placed the birth of the H lineage between 17,300 and 24,500 years ago. This means the line was born in the Upper Paleolithic. At the time, people were using stone tools.
This timeline is an overview of the I branch’s history from the first early people to the birth of the first woman from the I lineage. (View in new tab.)
National Geographic Geno 2.0 Text
mtDNA Haplogroup I 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.
|01||I||10034 16129 16391||Released 27 Aug 2008|
|02||I||10034 16129 16391||Released 14 Oct 2008|
|04||I||10034 16129 16391||Released 10 May 2009|
|05||I||10034 16129 16391||Released 8 Jul 2009|
|06||I||10034 16129 16391||Released 28 Sep 2009|
|07||I||10034 16129 16391||Released 10 Nov 2009|
|08||I||10034 16129 16391||Released 21 Mar 2010|
|09||I||10034 16129 16391||Released 20 Jun 2010|
|10||I||10034 16129 16391||Released 10 Aug 2010|
|11||I||10034 16129 16391||Released 7 Feb 2011|
|12||I||10034 16129 16391||Released 20 Jul 2011|
|13||I||10034 16129 16391||Released 28 Dec 2011; Last Build to use the rCRS|
|14||I||T10034C G16129A! G16391A||Released 5 Apr 2012; First version to use the RSRS|
|15||I||T10034C G16129A!||Released 30 Sep 2012|
|16||I||T10034C G16129A!||Released 19 Feb 2014|
|17||I||T10034C G16129A!||Released 18 Feb 2016|
mtDNA Haplogroup I Data Sources
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|
|Hap5008753||Somalia||Fernandes et al., 2012||I||I*||none||I:309.1C, 315.1C, 8882, 15511|
|Hap5008754||Somalia||Fernandes et al., 2012||I||I*||I:204||I:315.1C, 3447, 11929|
|Hap5021215||Iran||Olivieri et al., 2013||I||I*||none||I:315.1C, 9801, 14552, 16148, 16223|
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.
|Hap10047475||United States||United States||Unspecified||United States|
If you use the information in this table, please credit both this site and The National Geographic Society’s Genographic Project.
Sources & Resources
- Behar, D.M., van Oven, M., Rosset, S., Metspalu, M., Loogväli, E.L., Silva, N.M., Kivisild, T., Torroni, A. and Villems, R. (2012). A “Copernican” reassessment of the human mitochondrial DNA tree from its root. American journal of human genetics, 90(4), 675-684.
- Fan, L., & Yao, Y. G. (2011). MitoTool: a web server for the analysis and retrieval of human mitochondrial DNA sequence variations. Mitochondrion, 11(2), 351-356.
- Fan, L., & Yao, Y. G. (2013). An update to MitoTool: using a new scoring system for faster mtDNA haplogroup determination. Mitochondrion, 13(4), 360-363.
- Fernandes, Veronica; Alshamali, Farida; Alves, Marco; Costa, Marta D.; Pereira, Joana B.; Silva, Nuno M.; Cherni, Lotfi; Harich, Nourdin; Cerny, Viktor; Soares, Pedro; Richards, Martin B. & Pereira, Luisa (2012). The Arabian Cradle: Mitochondrial Relicts of the First Steps along the Southern Route out of Africa. American journal of human genetics, 90(2), 347-355.
- Olivieri, A., Pala, M., Gandini, F., Kashani, B.H., Perego, U.A., Woodward, S.R., Grugni, V., Battaglia, V., Semino, O., Achilli, A. and Richards, M.B. (2013). Mitogenomes from Two Uncommon Haplogroups Mark Late Glacial/Postglacial Expansions from the Near East and Neolithic Dispersals within Europe. PLoS ONE, 8(7), e70492.
- Van Oven, M., & Kayser, M. (2009). Updated comprehensive phylogenetic tree of global human mitochondrial DNA variation. Human mutation, 30(2), E386-E394.
- Ian Logan’s mtDNA Pages
- Ian Logan’s Instructions for mtGenome Genbank Donation
- James Lick’s mtDNA Utility
- The FTDNA Haplogroup Project for Haplogroup I
- The Wikipedia Article for Haplogroup I
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: October 8, 2018 at 15:14 pm