Chromosome replication in four species of snakes.
D000818:Animals; D001345:Autoradiography; D005075:Biological Evolution; D002875:Chromosomes; D004261:DNA Replication; D005260:Female; D007621:Karyotyping; D008297:Male; D012911:Snakes; D013936:Thymidine; D014316:Tritium
D014316:Tritium; D013936:Thymidine