TABLE 4.
Classes of mother–daughter pairs | No. of mother–daughter pairs | No. (%) (observed phenotypes)
|
|
---|---|---|---|
One viable colony | Two viable colonies | ||
Pairs with at least one Ade+ colony | 44 | 17 (38.6) | 27 (61.4) |
(17 Ade+:dead) | (1 Ade+:Ade+; 18 Ade+:Ade−r; | ||
6 Ade+:Ade+/−r; 1 Ade+:Ade−w; | |||
1 Ade+:Ade−w/−r) | |||
Pairs with only chromosome loss (Ade−r) | 96 | 30 (31.2) | 66 (68.8) |
(30 Ade−r:dead) | (66 Ade−r:Ade−r) | ||
Other | 109 | 14 (12.8) | 95 (87.2) |
(8 Ade+/−r:dead; 3 Ade−w:dead; | (53 Ade−r:Ade+/−r; 11 Ade−r:Ade−w; | ||
2 Ade−w/−r:dead; 1 Ade+/−w:dead) | 8 Ade−r:Ade−w/−r; 4 Ade−r:Ade+/−w; | ||
13 Ade+/−r:Ade+/−r; 2 Ade−w:Ade−w; | |||
2 Ade+/−r:Ade−w; 1 Ade−w/−r:Ade−w/−r; | |||
1 Ade+/−r:Ade−w/−r) | |||
Total | 249 | 61 (24.5) | 188 (75.5) |
Data are pooled from analyses of two isogenic pol32Δ strains, AM1014 and AM1152 (see Figure 1, A and F, and Table 1). Phenotype abbreviations are the same as described in Table 2. All indicated colonies were also Leu−.