What is haplogroup O-Z23781?
O-Z23781 (O1b1a1a1a1b2) is a paternal haplogroup downstream of O-CTS5854, formed about 9,220 years ago (YFull: 8,700), defined by 7 equivalent mutations; TheYtree curates 207 sub-clades and 214 samples under this lineage (personal 139 / scientific 74 / ancient 1).
When did O-Z23781 form?
O-Z23781 formed about 9,220 years ago (YFull: 8,700).
Where are O-Z23781 samples mainly from?
TheYtree curates 214 samples under this lineage, mainly from 中国、Vietnam、Thailand.
How do I attach my sample to O-Z23781?
Register and use the Free Submit tool to submit your Y-haplogroup or SNP; it will be placed on the corresponding paternal tree.
© 2020-2026 TheYtree.com