Internal asynchrony in late replicating X chromosomes.
D001345:Autoradiography; D002455:Cell Division; D002875:Chromosomes; D006801:Humans; D007621:Karyotyping; D007713:Klinefelter Syndrome / Q000235:genetics*; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
D014316:Tritium; D013936:Thymidine