Amphibian ProteinsAmphibiansGene DuplicationChytridiomycotaSegmental Duplications, GenomicChromosome DuplicationEvolution, MolecularRanidaeAnuraPhylogenyBufonidaeMultigene FamilyMolecular Sequence DataGenes, DuplicateUrodelaSalamandridaeBase SequenceAmbystomaRanavirusVertebratesAmbystoma mexicanumAmino Acid SequenceReptilesXenopus laevisAmphibian VenomsTriturusMetamorphosis, BiologicalBufo arenarumBiological EvolutionSequence AlignmentSyntenyXenopusSpecies SpecificityLarvaGenomeCentriolesRana pipiensSequence Analysis, DNAModels, GeneticFishesTandem Repeat SequencesChromosome MappingBufo marinusGene DosageMycosesRana catesbeianaPondsEmbryo, NonmammalianSequence Homology, Nucleic AcidPseudogenesAnimal DiseasesSequence Homology, Amino AcidNotophthalmus viridescensCentrosomeDigestive System AbnormalitiesCloning, MolecularRepetitive Sequences, Nucleic AcidMutationGene RearrangementGenome, PlantXenopus ProteinsComparative Genomic HybridizationMammalsGenetic VariationEndangered SpeciesExonsIn Situ Hybridization, FluorescencePelizaeus-Merzbacher DiseaseDNA Virus InfectionsExtremitiesGastrula