Haplogroup R-YP1556 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | R1a1a1b2a2a3b1a1~ |
|---|---|
| Defining mutations | 1 |
| Downstream branches | 10 |
| Estimated age | 1,250 years |