What is haplogroup B4a4?
B4a4 is a mitochondrial (maternal) haplogroup downstream of B4a, formed about 22,200 years ago, defined by 1 mutations; TheYtree curates 1 sub-clades and 97 samples under this lineage (Personal 19 / Scientific 40 / Ancient 38).
When did B4a4 form?
B4a4 formed about 22,200 years ago.
Where are B4a4 samples mainly from?
TheYtree curates 97 samples under this lineage, mainly from 中国、India、Nepal.
How do I attach my sample to B4a4?
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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