Haplogroup R-FGC20777 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | R1b1a1b1a1a2b1c2b1a1 |
|---|---|
| Defining mutations | 3 |
| Downstream branches | 9 |
| Estimated age | 4,190 years |