The nucleolus in primary spermatocytes of Drosophila hydei Günther F. MeyerWolfgang Hennig OriginalPaper Pages: 121 - 144
EM autoradiographic studies on polytene nuclei of Drosophila melanogaster S. C. Lakhotia OriginalPaper Pages: 145 - 159
Synthesis of RNA by Escherichia coli RNA polymerase on the chromosomes of Drosophila melanogaster R. B. KhesinB. A. Leibovitch OriginalPaper Pages: 161 - 172
Variation in chiasma frequency during tulip anther development D. A. CouzinD. P. Fox OriginalPaper Pages: 173 - 179
B-chromosome behaviour in Phaulacridium vittatum Bernard JohnMichael Freeman OriginalPaper Pages: 181 - 195
Population cytology of the genus Phaulacridium Heather J. RoweM. Westerman OriginalPaper Pages: 197 - 205
Evolutionary relationships between rat and mouse chromosomes Muriel N. Nesbitt OriginalPaper Pages: 217 - 224
Studies of multipolar mitoses in euploid tissue cultures Franz PeraBernd Rainer OriginalPaper Pages: 225 - 232