| Type |
| Targeted Mutation (KO or KI) |
| Transgene (Tg) |
| Genome editing |
| Chemically-induced Mutation |
| Wild-derived |
| Spontaneous Mutation |
| Inbred |
| Recombinant Inbred |
| Congenic |
| Major Histocompatibility Complex (H2) Congenic |
| Chromosomal Aberration |
| Gene Trap (KO or KI) |
| Recombinant Congenic |
| Radiation induced Congenic |
| Transposon insertion |
| Other |
