Haplogroup O-SK1756 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | O2a2b1a2a1a2 |
|---|---|
| Defining mutations | 14 |
| Downstream branches | 124 |
| Estimated age | 8,890 years |