Table 4. Viability of haploid progeny of wild-type and mutant yeast strains.
| Strain | Number of dissected tetrads | Number of tetrads with viable spores | Survival, % | |||
| 4 | 3 | 2 | 1 | |||
| LAN211 | 18 | 16 | 2 | 0 | 0 | 97.2 |
| LAN211-1, -2,-3, -4, -7 and -8 | 72a | 0 | 0 | 0 | 0 | 0 |
| LAN211-5 | 14 | 0 | 0 | 0 | 3 | 5.3 |
| LAN211-6 | 23 | 0 | 0 | 0 | 1 | 1.1 |
| LAN211-NM1 | 28 | 0 | 0 | 0 | 0 | 0 |
| LAN211-NM2 | 26 | 23 | 2 | 2 | 0 | 98.1 |
| LAN211-NM3 | 27 | 4 | 22 | 1 | 0 | 44.4b |
| LAN211-NM4 | 20 | 19 | 0 | 2 | 0 | 97.5 |
| LAN210 | 22 | 17 | 5 | 0 | 0 | 94.3 |
| LAN210-L1,-L3, L4 | 32a | 0 | 0 | 0 | 0 | 0 |
| LAN210-L2 | 12 | 0 | 0 | 0 | 3 | 6.25 |
| LAN210-NM1 | 23 | 19 | 3 | 1 | 0 | 94.6 |
| LAN210-NM2 | 26 | 25 | 0 | 1 | 0 | 98.1 |
a
At least 10 tetrads were analyzed for each strain.
b
We observed 38 normal-looking colonies. Forty-seven colonies were very small and did not grow any further after transfer to fresh YEPD medium (see Fig. 5).