MarsupialiaMacropodidaeMonodelphisMonotremataPlatypusOpossumsXenarthraEchidnaPhylogenyEvolution, MolecularTrichosurusInsectivoraDentitionX Chromosome InactivationPlacentationDidelphisChromosome PaintingBiological EvolutionShrewsElephantsReptilesScandentiaGenomic ImprintingVertebratesMolecular Sequence DataPlacentaSyntenySequence AlignmentSex ChromosomesFossilsX ChromosomeSpecies SpecificityGenomeAmino Acid SequenceGenes, X-LinkedPrimatesBase SequenceChromosomes, MammalianSequence Analysis, DNAPseudogenesSex DifferentiationGene DuplicationLikelihood FunctionsY ChromosomeRNA, Long NoncodingSequence Homology, Nucleic AcidModels, GeneticDosage Compensation, GeneticRNA, UntranslatedRetroelementsGonadsClassificationConserved SequenceHominidaePregnancySkullAcrosomeMultigene FamilyZona PellucidaSequence Homology, Amino AcidSequence HomologyEpididymisTandem Repeat SequencesSpermatozoaChromosome MappingTestisChickensBayes TheoremSelection, GeneticGene Expression Regulation, DevelopmentalDogsReproductionCattleAnimals, NewbornCloning, MolecularDNA, MitochondrialOvaryExonsReverse Transcriptase Polymerase Chain ReactionDNA, ComplementaryGenetic VariationEmbryo, MammalianMicroscopy, ElectronGenome, HumanRNA, MessengerAdaptation, PhysiologicalComputational BiologyPromoter Regions, GeneticGene ExpressionGene Expression RegulationDNA PrimersImmunohistochemistry