Effect of microinjecting dogfish <i>Otx</i> mRNAs in <i>Xenopus</i> embryos.

Phenotypes of injected embryos were scored at neurula ans late tail-bud stages. Dorsal defects indicate failure of neural tube closure and open blastopore at neurula stage, and trunk and posterior truncation refers to embryos with reduced trunk and tail structures at late tail-bud stage. The results are expressed as percentages, except n, which refers to total injected embryos.