A cycloid model for the chromosome.
D000818:Animals; D002455:Cell Division; D002466:Cell Nucleolus; D002875:Chromosomes; D004247:DNA / Q000378:metabolism*; D004175:Diptera; D008962:Models, Theoretical; D008967:Molecular Biology; D012333:RNA, Messenger / Q000096:biosynthesis; D014562:Caudata
D012333:RNA, Messenger; D004247:DNA