Sex Determination ProcessesSex Determination AnalysisMarsupialiaSex DifferentiationMacropodidaeSex Determination by SkeletonSex ChromosomesGonadsDisorders of Sex DevelopmentMonodelphisSex-Determining Region Y ProteinGenes, sryMonotremataSex RatioPlatypusOpossumsGeneticsReptilesSOX9 Transcription FactorX ChromosomeXenarthraPhylogenyY ChromosomeEvolution, MolecularSex CharacteristicsBiological EvolutionMolecular Sequence DataDosage Compensation, GeneticTurtlesGerm CellsEchidnaGene Expression Regulation, DevelopmentalCaenorhabditisTestisHymenopteraTrichosurusInsectivoraSex FactorsModels, GeneticBase SequenceDentitionAmino Acid SequenceAlligators and CrocodilesX Chromosome InactivationGenetics, PopulationSpecies SpecificityOvaryCaenorhabditis elegansForensic AnthropologyPlacentationPhenotypeWaspsSequence AlignmentChromosome MappingDidelphisDrosophila melanogasterChromosome PaintingVertebratesDrosophila ProteinsGenes, InsectGenomic ImprintingHelminth ProteinsSex PreselectionCaenorhabditis elegans ProteinsSequence Analysis, DNAHigh Mobility Group ProteinsWnt4 ProteinMutationCrosses, GeneticReproductionSexual DevelopmentGenomeDiploidyTranscription FactorsHermaphroditic OrganismsSertoli CellsGenes, X-LinkedGenes, LethalShrewsSexElephantsDrosophilaTilapiaGenetic VariationAllelesTesticular HormonesFibroblast Growth Factor 9FeminizationScandentiaOryziasTemperatureHaploidyChromosomes, MammalianGenetic LinkageCaricaSequence Homology, Amino AcidGenotypeHistoryPregnancySynteny