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| Mutagen | 3L lesions | 3R Lesions | Total number of lesions | Number of chromosomes | Df used for screening | Frequency of lesions |
|---|---|---|---|---|---|---|
| X-ray #1 | 14 | 0 | 14 | ∼1000 | FX3, MX18 | 1.40% |
| X-ray #2 | 25 | 7 | 32 | 3829 | 6B-29 | 0.84% |
| EMS | 21 | 7 | 45* | 3400 | 6B-29, Delta1-AK, FX53, MX3 | 1.32% |
