Inheritance of cytogenetic and new genetic markers in Megasella scalaris, a fly with an unusual sex determining mechanism D. S. JohnsonH. G. MertlW. Traut OriginalPaper Pages: 159 - 170
Changes in gene frequencies at the octanol dehydrogenase locus of Drosophila melanogaster imposed by environmental ethanol K. PecsenyeG. Lörincz OriginalPaper Pages: 171 - 177
Sequential study of the synaptonemal complex in rat (Rattus norvegicus) oocytes by light and electron microscopy R. PujolM. GarciaJ. Egozcue OriginalPaper Pages: 179 - 187
Cytological investigations of parthenogenesis in gall wasps (Cynipidae, Hymenoptera) Ann R. Sanderson OriginalPaper Pages: 189 - 216
Cytogenetical characterization of Odontesthes bonariensis (Pisces, Atherinidae), an Argentine species introduced in Italy L. SolaG. L. NatiliS. Cataudella OriginalPaper Pages: 217 - 224