A-a1

2058
A-a1 is a mitochondrial (maternal) haplogroup downstream of A-a, formed about 16,500 years ago, defined by 8 mutations; TheYtree curates 158 sub-clades and 1,001 samples under this lineage (Personal 140 / Scientific 405 / Ancient 456).

Key facts

Upstream lineageA-a
Downstream sub-clades158
Defining mutations8
TMRCA~16,500 yr · 16.5 kya
AliasesYFull A

Samples

1,001Samples in lineage
140Personal
405Scientific
456Ancient
中国 633Russia 72Mexico 66Argentina 51Vietnam 20Canada 12Peru 11

Representative ancient samples (aDNA)

FAQ

What is haplogroup A-a1?

A-a1 is a mitochondrial (maternal) haplogroup downstream of A-a, formed about 16,500 years ago, defined by 8 mutations; TheYtree curates 158 sub-clades and 1,001 samples under this lineage (Personal 140 / Scientific 405 / Ancient 456).

When did A-a1 form?

A-a1 formed about 16,500 years ago.

Where are A-a1 samples mainly from?

TheYtree curates 1,001 samples under this lineage, mainly from 中国、Russia、Mexico.

How do I attach my sample to A-a1?

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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