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

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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

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• Mitochondrial genetics

External links

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• Spread of Haplogroup L2, from National Geographic

Human mtDNA haplogroups