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Nodal signals induce ectopic expression of osr1.
| Nodal signal | n | Embryos showing normal expression of osr1 |
Embryos showing ectopic expression of osr1 |
|---|---|---|---|
| squint RNA | 12 | 17% | 83% |
| TARAM-A RNA | 54 | 13% | 87% |
| mouse Nodal protein | 11 | 27% | 73% |
RNA was injected at 1–2 cell stage. Nodal protein was injected in the animal pole at 4hpf.
