GametogenesisGametogenesis, PlantSpermatogenesisGerm CellsOogenesisMeiosisTestisGenomic ImprintingPollenSpermatocytesReproductionOvaryXanthurenatesGonadsOvuleVitellogenesisHelleborusSpermatozoaMeiotic Prophase ISpores, FungalOocytesGene Expression Regulation, DevelopmentalMolecular Sequence DataArabidopsisFertilityHermaphroditic OrganismsEmbryonic DevelopmentsnRNP Core ProteinsArabidopsis ProteinsSpermatogoniaDNA MethylationDisorders of Sex DevelopmentCyclin A1MutationProto-Oncogene Proteins c-kitInfertility, MaleDNA (Cytosine-5-)-MethyltransferaseHaploidyBase SequenceInfertilityAmino Acid SequenceLife Cycle StagesSex DifferentiationZygoteChlamydomonas