HeterochromatinX Chromosome InactivationHistonesChromosomes, Human, XChromatin Assembly and DisassemblyGene SilencingMethylationEuchromatinChromosomal Proteins, Non-HistoneCentromereSchizosaccharomycesSchizosaccharomyces pombe ProteinsChromatinDNA, SatelliteDrosophila melanogasterMethyltransferasesHistone-Lysine N-MethyltransferaseChromosomesChromosomal Position EffectsEpigenesis, GeneticTelomereSilent Information Regulator Proteins, Saccharomyces cerevisiaeLysineChromosomes, InsectDrosophila ProteinsCell NucleusSirtuin 2Chromosome BandingAcetylationRNA InterferenceRepressor ProteinsIn Situ Hybridization, FluorescenceProtein MethyltransferasesY ChromosomeHistone DeacetylasesCentromere Protein BDrosophilaDNA MethylationSex Chromatin