The potency of the first two cleavage cells in echinoderm development: the experiments of Driesch revisited O. Khaner Short Communication Pages: 193 - 197
Stage-specific gene expression in asynchronous tetraploid mouse embryos formed by fusion of blastomeres and fertilized eggs R. EidU. Petzoldt Original Articles Pages: 198 - 203
The fate of specific motoneurons and sensory neurons of the pregenital abdominal segments inTenebrio molitor (Insecta : Coleoptera) during metamorphosis Constantinos PaspalasChristos ConsoulasGeorge Theophilidis OriginalPaper Pages: 204 - 213
Genetic regulation of CNC expression in the pharnygeal primordia ofDrosophila blastoderm embryos Jym Mohler OriginalPaper Pages: 214 - 223
Independence of two microtubule systems in fertilized frog eggs: the sperm aster and the vegetal parallel array Richard P. ElinsonJiří Paleček OriginalPaper Pages: 224 - 232
The possible role of mesodermal growth factors in the formation of endoderm inXenopus laevis Elizabeth A. JonesMargaret H. AbelHugh R. Woodland OriginalPaper Pages: 233 - 239
Possible mechanisms in the rearrangement of non-yolk cytoplasmic materials during maturation of theXenopus laevis oocyte Akio S. SuzukiJunichi ManabeHiroshi Imoh OriginalPaper Pages: 240 - 245
