title: Evolutionary aspects of cell differentiation.
mesh_terms: D000818:Animals; D001482:Base Composition; D001483:Base Sequence; D005075:Biological Evolution; D002454:Cell Differentiation; D004247:DNA / Q000032:analysis; D004261:DNA Replication; D004622:Embryo, Mammalian / Q000166:cytology; D004625:Embryo, Nonmammalian; D006657:Histones / Q000502:physiology; D012313:RNA / Q000235:genetics; D012332:RNA, Heterogeneous Nuclear / Q000032:analysis; D012333:RNA, Messenger / Q000032:analysis; D012091:Repetitive Sequences, Nucleic Acid; D014158:Transcription, Genetic
chemical_list: D006657:Histones; D012332:RNA, Heterogeneous Nuclear; D012333:RNA, Messenger; D012313:RNA; D004247:DNA