Nonselected base substitutions (n = 83) that induce phenovariance caused by ENU and identified by positional cloning
| Type . | Change . | No. . | Change . | No. . | Total . | Fraction, % . |
|---|---|---|---|---|---|---|
| Transition | A → G | 12 | T → C | 13 | 25 | 30.1 |
| Transversion | A → T | 12 | T → A | 19 | 31 | 37.3 |
| Transversion | A → C | 1 | T → G | 2 | 3 | 3.6 |
| Transversion | C → A | 6 | G → T | 7 | 13 | 15.7 |
| Transition | C → T | 7 | G → A | 4 | 11 | 13.3 |
| Transversion | C → G | 0 | G → C | 0 | 0 | 0 |
| Type . | Change . | No. . | Change . | No. . | Total . | Fraction, % . |
|---|---|---|---|---|---|---|
| Transition | A → G | 12 | T → C | 13 | 25 | 30.1 |
| Transversion | A → T | 12 | T → A | 19 | 31 | 37.3 |
| Transversion | A → C | 1 | T → G | 2 | 3 | 3.6 |
| Transversion | C → A | 6 | G → T | 7 | 13 | 15.7 |
| Transition | C → T | 7 | G → A | 4 | 11 | 13.3 |
| Transversion | C → G | 0 | G → C | 0 | 0 | 0 |
In addition to single basepair changes, ENU can probably cause single base insertions or deletions, although these are very rare.