B2b

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B2b is a mitochondrial (maternal) haplogroup downstream of B2, formed about 10,900 years ago, defined by 1 mutations; TheYtree curates 8 sub-clades and 18 samples under this lineage (Scientific 3 / Ancient 15).

Key facts

Upstream lineageB2

Downstream sub-clades8

Defining mutations1

TMRCA~10,900 yr · 10.9 kya

AliasesYFull B2b · FTDNA B2b

Samples

18Samples in lineage

0Personal

3Scientific

15Ancient

Argentina 10Peru 3Austria 2Mexico 1Puerto Rico 1中国 1

Representative ancient samples (aDNA)

iPCR183_SC168_L2503the Chincha Valley of southern Peruthe thirteenth to fifteenth centuriesaDNA
iPCR183_SC168_L2496the Chincha Valley of southern Peruthe thirteenth to fifteenth centuriesaDNA
YCH027Chichén Itzá in Yucatánthe Late and Terminal Classic periods (AD 600-1000)aDNA

FAQ

What is haplogroup B2b?

When did B2b form?

B2b formed about 10,900 years ago.

Where are B2b samples mainly from?

TheYtree curates 18 samples under this lineage, mainly from Argentina、Peru、Austria.

How do I attach my sample to B2b?

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