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 between 87,000 to 107,000 years ago.^[1]

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.

References

1. ↑ Tishkoff et al., Whole-mtDNA Genome Sequence Analysis of Ancient African Lineages, Mol. Biol. Evol, 24(3):757-68. 2007

See also

• Human mitochondrial genetics

External links

• Spread of Haplogroup L2, from National Geographic

ca:Haplogrup mitocondrial humà L2 cs:Haploskupina L2 (mtDNA) es:Haplogrupo L2 (ADNmt)