Chromosomal polymorphism in Drosophila subobscura at different elevations in Central Chile D. BrncicM. Budnik OriginalPaper Pages: 161 - 166
Measurement of frequency-dependent sexual activity in Drosophila Melanogaster M. CereghettiF. JacqueminA. Elens OriginalPaper Pages: 167 - 171
Fusion between human and Drosophila melanogaster cells induced by polyethylene glycol C. HalferD. Del PinA. Dell'Oro OriginalPaper Pages: 173 - 187
Relationship between frequencies of univalents and meiotic segregation in different mouse strains and their hybrids D. LĂ©otardM. Kirsch-VoldersC. Susanne OriginalPaper Pages: 189 - 198
Band karyotypes and specific types of heterochromatins in several species of European percid fishes (Percidea, Pisces) B. MayrM. KalatM. Lambrou OriginalPaper Pages: 199 - 205
Nucleolus-organizer regions and heterochromatin in three species of Bovidae B. MayrE. TesarikH. Burger OriginalPaper Pages: 207 - 212
Three species of Heilipodus (Coleoptera, Curculionidae) with different karyotypes and sex chromosome systems A. PostiglioniA. Da SilvaE. S. De Vaio OriginalPaper Pages: 213 - 218
Differential response to environmental alcohol among second-chromosome arrangements in experimental populations of Drosophila buzzatii A. RuizM. SantosA. Fontdevila OriginalPaper Pages: 219 - 229