Temporal order of replication of mouse ribosomal RNA genes during the cell cycle C. BergerA. HorlebeinF. Grummt Pages: 479 - 484
The influence of 5-azacytidine on the condensation of the short arm of rye chromosome 1R in Triticum aestivum L. root tip meristematic nuclei Matthew C. P. GlynMichaela EgertováAndrew R. Leitch Pages: 485 - 492
ASE-1: a novel protein of the fibrillar centres of the nucleolus and nucleolus organizer region of mitotic chromosomes Clark M. WhiteheadRobert J. WinkfeinJ. B. Rattner Pages: 493 - 502
Organization of DNA sequences near the centromere of the Drosophila melanogaster Y chromosome Ana LosadaJosé P. AbadAlfredo Villasante Pages: 503 - 512
A repetitive DNA sequence common to the different B chromosomes of the genus Brachycome Andreas HoubenCarolyn R. LeachJeremy N. Timmis Pages: 513 - 519
Position-effect variegation in Drosophila melanogaster X chromosome inversion with a breakpoint in a satellite block and its suppression in a secondary rearrangement Eugene V. TolchkovIrina A. KramerovaVladimir A. Gvozdev Pages: 520 - 525
Lampbrush chromosomes and chiasmata of sex-reversed crested newts H. WallaceB. M. N. WallaceG. M. I. Badawy Pages: 526 - 533
