B4m

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B4m is a mitochondrial (maternal) haplogroup downstream of B4-C16261T, formed about 28,600 years ago, defined by 2 mutations; TheYtree curates 1 sub-clades and 23 samples under this lineage (Personal 5 / Scientific 9 / Ancient 9).

Key facts

Upstream lineageB4-C16261T

Downstream sub-clades1

Defining mutations2

TMRCA~28,600 yr · 28.6 kya

AliasesYFull B4m · FTDNA B4m

Samples

23Samples in lineage

5Personal

9Scientific

9Ancient

中国 20대한민국 1Vietnam 1Croatia 1

Representative ancient samples (aDNA)

M121 HRR3517822 Changan_Tang_Dynasty 唐 1408-1119 BP陕西省西安市及周边唐 1408-1119 BPaDNA
B747 HRR2903179 贵州省黔南州平塘洞明代贵州省黔南州平塘县明代aDNA
SZY-M211xi HRR2903111 河南省三门峡三之苑墓地河南三门峡清代古人河南省三门峡市 Sanzhiyuan cemeteryQing Dynasty 清代aDNA
BLG-H616 HRR1835424 八里岗遗址龙山文化 4085-3876 BP Late Neolithic河南省邓州市东郊白庄村北湍河南岸八里岗遗址4085-3876 BP Late NeolithicaDNA

FAQ

What is haplogroup B4m?

When did B4m form?

B4m formed about 28,600 years ago.

Where are B4m samples mainly from?

TheYtree curates 23 samples under this lineage, mainly from 中国、대한민국、Vietnam.

How do I attach my sample to B4m?

Register and use the Free Submit tool to submit your maternal haplogroup or mutations; it will be placed on the corresponding maternal tree.

← Back to the maternal haplogroup