Chromosome studies in four species of Ratitae (Aves).
D000818:Animals; D001345:Autoradiography; D001717:Birds; D002478:Cells, Cultured; D002875:Chromosomes; D004171:Diploidy; D005260:Female; D007621:Karyotyping; D008214:Lymphocytes; D008297:Male; D008938:Mitosis; D012730:Sex Chromosomes; D013045:Species Specificity; D013936:Thymidine; D014316:Tritium
D014316:Tritium; D013936:Thymidine