B2a

698

B2a is a mitochondrial (maternal) haplogroup downstream of B2, formed about 8,700 years ago, defined by 2 mutations; TheYtree curates 11 sub-clades and 3 samples under this lineage (Ancient 3).

Key facts

Upstream lineageB2

Downstream sub-clades11

Defining mutations2

TMRCA~8,700 yr · 8.7 kya

AliasesYFull B2a · FTDNA B2a

Samples

3Samples in lineage

0Personal

0Scientific

3Ancient

Mexico 2Canada 1

Representative ancient samples (aDNA)

E6_CdV_b 前西班牙时期墨西哥中部的人口历史和遗传结构Cañada de la Virgen，Cañada de la Virgen，Guanajuato，Central Mexico640-720 ADaDNA

FAQ

What is haplogroup B2a?

B2a is a mitochondrial (maternal) haplogroup downstream of B2, formed about 8,700 years ago, defined by 2 mutations; TheYtree curates 11 sub-clades and 3 samples under this lineage (Ancient 3).

When did B2a form?

B2a formed about 8,700 years ago.

Where are B2a samples mainly from?

TheYtree curates 3 samples under this lineage, mainly from Mexico、Canada.

How do I attach my sample to B2a?

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