Haplogroup R-FGC3861 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | R1b1a1b1a1a1a |
|---|---|
| Defining mutations | 8 |
| Downstream branches | 31 |
| Estimated age | 3,800 years |