Haplogroup J-BY32912 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | J2a1a1a2a2a1a1~ |
|---|---|
| Defining mutations | 21 |
| Downstream branches | 9 |
| Estimated age | 3,900 years |