Gene Expression Patterns
| Pattern | Stage | n | % |
| Dorsal-ventral | 0–8 | 7 | 5% |
| Anterior-posterior | 0–8 | 5 | 3% |
| Pole cell | 0–8 | 8 | 5% |
| Gap | 0–8 | 1 | <1% |
| Pair-rule | 0–8 | 1 | <1% |
| Segment polarity | 9–11 | 10 | 7% |
| Germ layer restricted | 9–11 | 64 | 44% |
| Germ layer derivative | 9–11 | 48 | 33% |
| Total patterns scored | all stages | 144[i] |
[i] (118 different cDNAs).