Example image of eyePlorer eyePlorer map for 'Heterochromatin': Histone methylation Position-effect variegation Small interfering RNA Centromere Telomere Chromatin Euchromatin Cell nucleus Satellite DNA Barr body X chromosome Cell cycle DNA repair Epigenetics Insulator Saccharomyces Constitutive heterochromatin Gene expression Chromosome 1 (human) Chromosome 16 (human) Chromosome 9 (human) Y chromosome Heterochromatin Cellular differentiation Morphogenesis X-inactivation Polycomb-group proteins Xist Eukaryote Saccharomyces cerevisiae Schizosaccharomyces pombe RNA interference RNA polymerase II C-Block Mating-type region Heterochromatin protein 1 RNA-induced transcriptional silencing Death associated protein 6 Ty5 B chromosome Chromodomain Genomic organization Midblastula Gene silencing Position effect CENPA Outline of biology Histone acetylation and deacetylation Histone H3 ICD-10 Chapter XVII: Congenital malformations, deformations and chromosomal abnormalities