Haplogroup J-Y21757 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | J1a2a1a2d2b2b2c4d2a2a3a1~ |
|---|---|
| Defining mutations | 5 |
| Downstream branches | 36 |
| Estimated age | 930 years |