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| Male (n) | Female (n) | Litter number | Pups | Litter Size (mean ± SD) |
|---|---|---|---|---|
| +/+ (3) | +/+ (6) | 11 | 95 | 8.6 ± 1.8 |
| +/− (11) | +/− (20) | 40 | 354 | 8.9 ± 1.5 |
| +/+, +/− (7) | −/− (7) | 9 | 53 | 5.9 ± 1.3 |
| −/− (17) | +/+ (7) | 0 | 0 | |
| +/− (5) | 0 | 0 | ||
| −/− (11) | 0 | 0 |
The mean litter size was calculated by dividing the number of live pups born by the number of litters. The results are from the mating of mice less than 6 months of age.
