Haplogroup R-BY27800 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | R1a1a1b1a2b3a3a2g1a~ |
|---|---|
| Defining mutations | 2 |
| Downstream branches | 3 |
| Estimated age | 2,000 years |