| CFS | Common fragile site |
| DSB | Double-strand break |
| dsDNA | Double-stranded DNA |
| FA | Fanconi Anemia |
| HR | Homologous recombination |
| JM | Joint molecule |
| LRI | Late-replication intermediate |
| rDNA | Ribosomal DNA |
| SAC | Spindle assembly checkpoint |
| SCI | Sister chromatid intertwine |
| ssDNA | single-stranded DNA |
| SSE | Structure-selective endonuclease |
| UFB | Ultra-fine DNA bridge |