What is haplogroup B4a1a1a20?
B4a1a1a20 is a mitochondrial (maternal) haplogroup downstream of B4a1a1a, formed about 900 years ago, defined by 2 mutations; TheYtree curates 1 sub-clades and 1 samples under this lineage (Ancient 1).
When did B4a1a1a20 form?
B4a1a1a20 formed about 900 years ago.
Where are B4a1a1a20 samples mainly from?
TheYtree curates 1 samples under this lineage, mainly from Palau.
How do I attach my sample to B4a1a1a20?
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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