2. Translocations involving chromosome 4.
| Translocation | Cytological position | Linkage map position |
| T4-6b | S .9 | Near Ts5; T 9 su |
| 4-7 | S .6 | su ± 1.5 |
| 4-8 | S .6 | Near Ts5 and su |
| 1-4 | Near Ts5 and su | |
| 4-5c | su ± 1 | |
| 4-10b | su 5.5 | |
| 4-5d | L .2+ | su 1 T Tu |
| 4-6a | L .2 | su 4.5 T 14.6 Tu |
| 2-4a | L .2 | su 3.6 T 13.9 Tu |
| 2-4c | su 9.1 T 30 Tu | |
| 2-4d | Near Tu | |
| 2-4b | su Tu gl3 15 T | |
| 4-9b | L .6 | su Tu gl3 21.9 T |
Not listed above T4-5a, 4-5b, 4-6c, 4-9a
The spindle attachment is probably somewhere near su.
E. G. Anderson