Haplogroup R-S8172 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | R1b1a1b1a1a2b1c2b1a2 |
|---|---|
| Defining mutations | 1 |
| Downstream branches | 3 |
| Estimated age | 3,200 years |