Table 2. Behaviour above viewing jar.
Behaviour/Physical Trait | Criteria | Nfix +/+ | Nfix +/− |
Positional passivity | Struggled when held by tail | 100% | 100% |
Trunk curl | Present | 100% | 100% |
Visual placing | Present | 100% | 100% |
Righting reflex | Present | 100% | 100% |
Pinnal reflex | Present | 85% | 96% |
Vocalisation | Present | 50% | 60% |
Morphology | Normal | 100% | 100% |
Tail pinch | Response | 100% | 100% |
Biting | Present | 5% | 4% |
Limb grasping | Present | 65% | 54% |
Wild-type and Nfix +/− mice were held above the viewing jar by the base of the tail whilst a number of physical, behavioural and reflexes were scored. No large differences were apparent between genotypes (Nfix +/+, n = 20; Nfix +/−, n = 26).