O / k2a1b Major paternal lineage in East and Southeast Asia, accounting for about 77% among Han Chinese

TMRCA: 32900 years 15658 6

O (k2a1b) is a paternal haplogroup downstream of NO, formed about 32,900 years ago (YFull: 30,500), defined by 160 equivalent mutations; TheYtree curates 17,969 sub-clades and 14,023 samples under this lineage (personal 9,565 / scientific 3,583 / ancient 860).

Key facts

ParentNO

Sub-clades17,969

Defining SNPs160

TMRCA~32,900 y · 32.9 kya

YFull estimate~30,500 y

ISOGG 2019k2a1b

Defining SNPO

AliasesMofang O-F175 · YFull O

Samples

14,023Samples in lineage

9,565Personal

3,583Scientific

860Ancient

中国 10,972Thailand 969Vietnam 567대한민국 442Singapore 157日本 81Guam 44

Ancient DNA

M8R1 HRR3225903 石人子沟 Shirenzigou_IA 铁器时代 Iron Age 330-200 BCE新疆 Xinjiang330-200 BCEaDNA
XBQM112JM4-9 HRR3225846 泉儿沟 Quanergou_BA 青铜时代 Bronze Age 1263-1019 BCE新疆 Xinjiang1263-1019 BCEaDNA
GZ4 HRR2698139_0925 甘掌 Ganzhang_GZ6_Twins 明清 Ming–Qing 504-330 BP贵州 Guizhou504-330 BPaDNA
GZ3 HRR2698138_0925 甘掌 Ganzhang 明清 Ming–Qing 504-330 BP贵州 Guizhou504-330 BPaDNA

FAQ

What is haplogroup O?

When did O form?

O formed about 32,900 years ago (YFull: 30,500).

Where are O samples mainly from?

TheYtree curates 14,023 samples under this lineage, mainly from 中国、Thailand、Vietnam.

How do I attach my sample to O?

Register and use the Free Submit tool to submit your Y-haplogroup or SNP; it will be placed on the corresponding paternal tree.

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