Changes i chromosomal DNA replication tterns in developing frog embryos.
D000818:Animals; D001001:Anura / Q000196:embryology*; D001345:Autoradiography; D002875:Chromosomes / Q000502:physiology*; D004261:DNA Replication; D007621:Karyotyping; D012313:RNA / Q000096:biosynthesis; D012730:Sex Chromosomes; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
D014316:Tritium; D012313:RNA; D013936:Thymidine