Haplogroup O-SK1728 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | O2a2b1a1a1a1b |
|---|---|
| Defining mutations | 26 |
| Downstream branches | 12 |
| Estimated age | 5,560 years |