Haplogroup R-CTS9551 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | R1a1a1b1a2a3a1~ |
|---|---|
| Defining mutations | 1 |
| Downstream branches | 13 |
| Estimated age | 3,700 years |