Haplogroup O-SK1725 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | O2a2b1a1a1a4a2a3 |
|---|---|
| Defining mutations | 3 |
| Downstream branches | 9 |
| Estimated age | 5,040 years |