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Contents 1 Subdivisions 1.1 Haplogroup L2a 2 See also 3 External links

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.

[edit] Subdivisions

L2 has four main subgroups: L2a, L2b, L2c, and L2d.

[edit] Haplogroup L2a

The most common L2 subgroup, L2a, is also the most common haplogroup among African Americans.

[edit] See also

• Human mitochondrial genetics

[edit] External links

• Spread of Haplogroup L2, from National Geographic

Human mitochondrial DNA (mtDNA) haplogroups

mt-MRCA

L0

L1

L2

L3

M

N

M1

CZ

D

E

G

Q

A

I

W

X

R

N1

N2

Y

C

Z

B

JT

F

U

J

T

K

pre-HV

HV

H

V

ca:Haplogrup mitocondrial humà L2