Haplogroup R-Z51 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | R1b1a1b1a1a2b1c1a |
|---|---|
| Defining mutations | 2 |
| Downstream branches | 32 |
| Estimated age | 4,050 years |