Haplogroup L2 (mtDNA)
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In human genetics, Haplogroup L2 is a human mitochondrial DNA (mtDNA) haplogroup.
Haplogroup L2 is native to sub-Saharan Africa, where it is present in approximately one third of all people. It is believed to have arisen approximately 70,000 years ago from the line of haplogroup L1.
Subdivisions
L2 has four main subgroups: L2a, L2b, L2c, and L2d.
Haplogroup L2a
The most common L2 subgroup, L2a, is also the most common haplogroup among African Americans.
See also
External links
Template:MtDNAca:Haplogrup mitocondrial humà L2
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
