B4a

1827

B4a is a mitochondrial (maternal) haplogroup downstream of B4-C16261T, formed about 29,200 years ago, defined by 2 mutations; TheYtree curates 113 sub-clades and 549 samples under this lineage (Personal 78 / Scientific 354 / Ancient 117).

Key facts

Upstream lineageB4-C16261T

Downstream sub-clades113

Defining mutations2

TMRCA~29,200 yr · 29.2 kya

AliasesYFull B4a · FTDNA B4a

Samples

549Samples in lineage

78Personal

354Scientific

117Ancient

中国 448Papua New Guinea 26Vietnam 25대한민국 15Palau 7Thailand 6Singapore 4Micronesia 4

Representative ancient samples (aDNA)

GZ5 HRR2698140_0925 甘掌 Ganzhang 明清 Ming–Qing 504-330 BP贵州 Guizhou504-330 BPaDNA
GZ7 HRR2698142 甘掌 Ganzhang_lowSNP 明清 Ming–Qing 504-330 BP贵州 Guizhou504-330 BPaDNA
XRQ3 HRR2698125 仙人桥 Xiaorenqiao 明代 Ming 646-548 BP贵州 Guizhou646-548 BPaDNA
MogouM27 HRR3231875 磨沟遗址齐家文化距今3600-3200年甘肃省甘南藏族自治州临潭县距今3600-3200年aDNA

FAQ

What is haplogroup B4a?

When did B4a form?

B4a formed about 29,200 years ago.

Where are B4a samples mainly from?

TheYtree curates 549 samples under this lineage, mainly from 中国、Papua New Guinea、Vietnam.

How do I attach my sample to B4a?

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

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