What is haplogroup I4?
I4 is a mitochondrial (maternal) haplogroup downstream of I, formed about 8,800 years ago, defined by 1 mutations; TheYtree curates 6 sub-clades and 109 samples under this lineage (Personal 4 / Scientific 5 / Ancient 100).
When did I4 form?
I4 formed about 8,800 years ago.
Where are I4 samples mainly from?
TheYtree curates 109 samples under this lineage, mainly from Russia、中国、Czech Republic.
How do I attach my sample to I4?
Register and use the Free Submit tool to submit your maternal haplogroup or mutations; it will be placed on the corresponding maternal tree.
© 2020-2026 TheYtree.com