title: Cytogenetics of the parthenogenetic grasshopper Moraba virgo and its bisexual relatives. I. A new species of the virgo group with a unique sex chromosome mechanism.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002467:Cell Nucleus; D002875:Chromosomes; D003078:Colchicine; D003434:Crossing Over, Genetic; D004171:Diploidy; D005260:Female; D006110:Grasshoppers; D006238:Haploidy; D006570:Heterochromatin; D007621:Karyotyping; D008297:Male; D008938:Mitosis; D010312:Parthenogenesis; D012730:Sex Chromosomes; D013094:Spermatozoa
chemical_list: D006570:Heterochromatin; D003078:Colchicine