title: Grades of chromatid organisation in mitotic and meiotic chromosomes. I. The morphological features.
mesh_terms: D000663:Amphibians; D000818:Animals; D002466:Cell Nucleolus; D002467:Cell Nucleus; D002842:Chromatids; D002875:Chromosomes; D005260:Female; D006110:Grasshoppers; D008540:Meiosis; D008938:Mitosis