M74a

1450
M74a is a mitochondrial (maternal) haplogroup downstream of M74, formed about 11,800 years ago, defined by 7 mutations; TheYtree curates 3 sub-clades and 42 samples under this lineage (Personal 5 / Scientific 33 / Ancient 4).

Key facts

Upstream lineageM74
Downstream sub-clades3
Defining mutations7
TMRCA~11,800 yr · 11.8 kya
AliasesYFull M74a · FTDNA M74a

Samples

42Samples in lineage
5Personal
33Scientific
4Ancient
中国 34Vietnam 7Thailand 1

Representative ancient samples (aDNA)

FAQ

What is haplogroup M74a?

M74a is a mitochondrial (maternal) haplogroup downstream of M74, formed about 11,800 years ago, defined by 7 mutations; TheYtree curates 3 sub-clades and 42 samples under this lineage (Personal 5 / Scientific 33 / Ancient 4).

When did M74a form?

M74a formed about 11,800 years ago.

Where are M74a samples mainly from?

TheYtree curates 42 samples under this lineage, mainly from 中国、Vietnam、Thailand.

How do I attach my sample to M74a?

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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