Table 1.
Aggression frequency in parental strains and crosses
| Genotype or cross | Breeding location | # aggr | n | % aggr |
|---|---|---|---|---|
| NZB | JAX | 8 | 10 | 80 |
| NZB | Princeton | 11 | 12 | 92 |
| NZB | JAX or Princeton | 19 | 22 | 86 |
| A | JAX | 0 | 10 | 0 |
| A | Princeton | 0 | 19 | 0 |
| A | JAX or Princeton | 0 | 29 | 0 |
| (A × NZB)F1 | Princeton | 11 | 20 | 55 |
| (NZB × A)F1 | Princeton | 17 | 22 | 77 |
| (NZB × A) × A | Princeton | 64 | 470 | 14 |
JAX, The Jackson Laboratory;
aggr, number of mice that were classified as aggressive (attacked in at least 2 tests); % aggr, percentage of mice that were classified as aggressive (attacked in at least 2 tests).