Sequential DNA replication and the control of differences in gene activity between sister chromatids--a possible factor in cell differentiation.
D002454:Cell Differentiation; D002842:Chromatids; D004261:DNA Replication; D005796:Genes / Q000502:physiology*; D008938:Mitosis; D012333:RNA, Messenger / Q000096:biosynthesis; D013936:Thymidine / Q000378:metabolism; D014316:Tritium; D014529:Uridine / Q000378:metabolism
D012333:RNA, Messenger; D014316:Tritium; D013936:Thymidine; D014529:Uridine