VertebratesReptilesViviparity, NonmammalianOryziasChickensMammalsOncorhynchus mykissZebrafishSaccule and UtricleFish ProteinsMolecular Sequence DataFishesEvolution, MolecularAmino Acid SequencePhylogenyHair Cells, AuditoryRana catesbeianaOptic Lobe, NonmammalianSequence Homology, Amino AcidSequence AlignmentSpecies SpecificityCloning, MolecularDNA, ComplementaryBase SequenceTissue DistributionRetinaSequence Analysis, DNARNA, MessengerEmbryo, Nonmammalian