Haplogroup T-CTS8603 is a Y-chromosome (paternal) haplogroup on TheYtree, catalogued with its defining mutations, sample distribution and phylogenetic tree.
| ISOGG name | T1a1a1b2b2b1 |
|---|---|
| Defining mutations | 7 |
| Downstream branches | 169 |
| Estimated age | 5,960 years |