Haplogroup R-YP1555 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | R1a1a1b2a2a3b1~ |
|---|---|
| Defining mutations | 3 |
| Downstream branches | 12 |
| Estimated age | 3,350 years |