What is haplogroup U4?
U4 is a mitochondrial (maternal) haplogroup downstream of U4'9, formed about 12,800 years ago, defined by 6 mutations; TheYtree curates 85 sub-clades and 892 samples under this lineage (Personal 37 / Scientific 60 / Ancient 795).
When did U4 form?
U4 formed about 12,800 years ago.
Where are U4 samples mainly from?
TheYtree curates 892 samples under this lineage, mainly from Russia、Ukraine、中国.
How do I attach my sample to U4?
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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