OogenesisMammalsOocytesDrosophila ProteinsOvaryDrosophilaVitellogenesisDrosophila melanogasterGenes, InsectEgg ProteinsOvumGerm CellsInsect ProteinsGene Expression Regulation, DevelopmentalOvarian FollicleMolecular Sequence DataMeiosisEmbryo, NonmammalianAnimals, Genetically ModifiedEgg ShellInsect HormonesRNA-Binding ProteinsSpermatogenesisTransforming Growth Factor alphaMutationAmino Acid SequenceRNA, MessengerRNA, Messenger, StoredBase SequenceTransforming Growth FactorsIn Situ HybridizationMeiotic Prophase IBody PatterningXenopus laevisCaenorhabditis elegansZygotePhenotypeEmbryonic DevelopmentCell PolaritySequence Homology, Amino AcidPleurodelesFertilityCaenorhabditis elegans ProteinsFertilizationOogoniaPhylogenyMorphogenesisDisorders of Sex DevelopmentCloning, MolecularTranscription FactorsCytoplasmic StreamingVitellogeninsCytoplasmReceptors, Invertebrate PeptideSex Determination AnalysisSpecies SpecificityGonadsReproductionXenopus ProteinsReceptors, NotchLarvaSequence AlignmentSignal TransductionGenes, LethalMarsupialiaBiological EvolutionSex Determination ProcessesGametogenesisModels, Biological