Table 1. Litter sizes and male/female ratios obtained from SD and BN litters and hybrid crosses.
| Fetal | Genotype | Control | Pair fed | Ethanol |
| SS | ***litter size | 14.2±0.7 | 11.0±2.3 | 12.8±0.9 |
| males/females | 7.8±1.0/6.3±0.3 | 5.0±0.9/5.7±1.5 | 6.0±0.9/6.7±1.7 | |
| SB | ***litter size | 15.0±0.7 | 12.2±1.8 | 12.8±1.6 |
| males/females | 7.7±0.8/7.3±0.9 | 5.2±1.4/7.0±1.4 | 5.8±1.1/7.0±0.9 | |
| BS | litter size | 4.0±0.6 | 5.1±0.9 | 3.3±0.6 |
| males/females | 1.8±0.4/2.2±0.7 | 3.1±0.6/2.0±0.5 | 1.8±0.4/1.5±0.6 | |
| BB | litter size | 5.5±0.3 | 4.3±0.9 | 4.7±0.6 |
| males/females | 3.2±0.5/2.2±0.8 | 2.8±0.5/1.5±0.4 | 3.2±1.0/1.5±0.4 |
***SD dams' litter sizes are larger than BN, P<0.001.