Einfluß von Ionenstärke und pH auf die differentielle Dekondensation der Nukleoproteide isolierter Speicheldrüsen-Zellkerne und -Chromosomen von Chironomus thummi Michel Robert OriginalPaper Pages: 1 - 33
A reinvestigation of the nucleolus-organizing regions in the salivary gland nuclei of Drosophila melanogaster Yrjö ViinikkaAloha Hannah-AlavaPirkko Arajärvi OriginalPaper Pages: 34 - 45
Chromosomal basis of dosage compensation in Drosophila S. N. ChatterjeeA. S. Mukherjee OriginalPaper Pages: 46 - 59
RNA metabolism during puff induction in Drosophila melanogaster Erik G. EllgaardUlrich Clever OriginalPaper Pages: 60 - 78
The nucleolus organizer region of maize (Zea mays L.): Chromosomal site of DNA complementary to ribosomal RNA R. L. PhillipsR. A. KleeseS. S. Wang OriginalPaper Pages: 79 - 88
The ultrastructure of the non-localized kinetochores of Luzula and Cyperus James P. Braselton OriginalPaper Pages: 89 - 99
Interphase development and beginning of mitosis in the different nuclei of polynucleate homokaryotic cells A. González-FernándezG. Giménez-MartínJ. F. López-Sáez OriginalPaper Pages: 100 - 111
Fragmentation par les rayons X de l'organisateur d'une différenciation de chromosome en écouvillon (lampbrush), chez Pleurodeles waltlii J. C. LacroixM. T. Loones OriginalPaper Pages: 112 - 118