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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. It is especially common among the Khoisan people.

However haplogroup L1 has special significance for all living humans as it is earliest mitochondrial lineage. Haplogroup L1 arose with Mitochondrial Eve and haplogroup L0 is an offshoot. All existing human female haplogroups are descended from haplogroup L1.^{[citation needed]}

Among these descendants are the 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.

[edit] See also

• Human mitochondrial genetics

[edit] External links

• Spread of Haplogroup L1, 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 L1