Table 2. Test for rescue of the BEAFAB-KO allele by mutant 32B transgenes.
| % of crosses surviving to generation: | ||||||
|---|---|---|---|---|---|---|
| Transgene | Line | Crosses | F1 | F2 | F3 | >F3 |
| None | AB-KO | 4 | 75 | 0 | - | - |
| ΔM | XA | 5 | 0 | - | - | - |
| 3A | 5 | 0 | - | - | - | |
| ΔM-NC | 3A | 5 | 80 | 0 | - | - |
| 3B | 5 | 100 | 100 | 100 | 100 | |
| 3C | 5 | 100 | 100 | 100 | 100 | |
| ΔLZ | 3B | 5 | 80 | 60 | 40 | 20 |
| 3C | 5 | 100 | 20 | 0 | - | |
| 3D | 5 | 0 | - | - | - | |
| 3E | 5 | 20 | 0 | - | - | |
| ΔBESS | 3A | 5 | 80 | 0 | - | - |
| 3B | 5 | 20 | 0 | - | - | |
| 3C | 5 | 0 | - | - | - | |
| XA | 5 | 60 | 0 | - | - | |
| XB | 5 | 60 | 0 | - | - | |
All fly lines are homozygous for the BEAFAB-KO allele, with the indicated mutant BEAF transgene on the indicated chromosome followed by a letter designating independent transformants. Four or five replicate crosses were set up for each fly line, as indicated. Lines that survived >3 generations survived over 20 generations before the experiment was discontinued.