Haplogroup O-FGC23873 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | O2a2b1a2a1a1b1b2b1 |
|---|---|
| Defining mutations | 3 |
| Downstream branches | 565 |
| Estimated age | 6,690 years |