Haplogroup I-FGC21987 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | I1a1b1a1e2b1~ |
|---|---|
| Defining mutations | 6 |
| Downstream branches | 1 |
| Estimated age | 2,200 years |