Haplogroup L1 (mtDNA)
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In human genetics, Haplogroup L1 is a human mitochondrial DNA (mtDNA) haplogroup.
Haplogroup L1 is found in West and Central sub-Saharan Africa. Some of its branches (L1d, L1k, L1a, L1f) were recently re-classified into haplogroup L0 as L0d, L0k, L0a and L0f.
Haplogroup L1 arose with Mitochondrial Eve and haplogroup L0 is an offshoot.
The descendants of haplogroup L1 are also African haplogroups L2 and L3, the latter of which gave rise to all non-African haplogroups.
Haplogroup L1 is believed to have first appeared in Africa approximately 150,000 to 170,000 years ago.
References
See also
External links
- Spread of Haplogroup L1, from National Geographic
- African Haplogroup L mtDNA Sequences Show Violations of Clock-like Evolution
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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 .

