Oligonucleotides, AntisenseOligonucleotidesMorpholinosOligodeoxyribonucleotides, AntisenseBase SequenceThionucleotidesXenopus ProteinsMolecular Sequence DataAlgorithmsOligodeoxyribonucleotidesDatabases, Nucleic AcidOligonucleotide Array Sequence AnalysisZebrafishOligonucleotide ProbesXenopus laevisSoftwareRNA, MessengerSequence Analysis, DNADNA ProbesGene Expression Regulation, DevelopmentalEmbryo, NonmammalianSequence AlignmentDNAPolymerase Chain ReactionCells, Cultured