Ultrastructure of the Y chromosomal lampbrush loops in primary spermatocytes of Drosophila hydei Caspar J. GrondRob G. J. RuttenWolfgang Hennig OriginalPaper Pages: 85 - 95
Balbiani rings and puffs of the polytene chromosomes of Drosophila auraria Zacharias G. ScourasCostas D. Kastritsis OriginalPaper Pages: 96 - 106
Electron microscopy of surface spread polytene chromosomes of Drosophila and Stylonychia G. F. MeyerH. J. Lipps OriginalPaper Pages: 107 - 110
A structural concept for nucleoli of Dictyostelium discoideum deduced from dissociation studies P. LabhartE. BanzTh. Koller OriginalPaper Pages: 111 - 120
Early sensitivity to colchicine in developing anthers of rye M. J. PuertasA. de la PeñaF. Merino OriginalPaper Pages: 121 - 126
The organization of DNA segments undergoing repair synthesis during pachytene Yasuo HottaHerbert Stern OriginalPaper Pages: 127 - 137
Gene amplification in a mouse embryo? Double minutes in cell lines independently derived from a Mus musculus x M. caroli fetus Jennifer A. Marshall Graves OriginalPaper Pages: 138 - 142
Meiotic behaviour of chromosomes 1R, 2R and 5R in autotetraploid rye Tomás NaranjoJuan Orellana OriginalPaper Pages: 143 - 150
The origin and evolution of parthenogenesis in Heteronotia binoei (Gekkonidae) Craig Moritz OriginalPaper Pages: 151 - 162
Localization of actin-related sequences by in situ hybridization to R-banded human chromosomes A. BernheimR. BergerP. Szabo OriginalPaper Pages: 163 - 167