Haplogroup O-FGC16858 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | O2a2b1a2a1a1b1 |
|---|---|
| Defining mutations | 3 |
| Downstream branches | 1,653 |
| Estimated age | 8,180 years |