title: Presence of a chromatid core in mitotic and meiotic chromosomes of grasshoppers.
mesh_terms: D000818:Animals; D002503:Centromere / Q000648:ultrastructure*; D002842:Chromatids / Q000648:ultrastructure*; D002875:Chromosomes / Q000648:ultrastructure*; D006110:Grasshoppers / Q000648:ultrastructure*; D008297:Male; D008540:Meiosis; D008938:Mitosis; D012834:Silver; D013091:Spermatogenesis; D013093:Spermatogonia / Q000648:ultrastructure; D013194:Staining and Labeling
chemical_list: D012834:Silver