Genetic and cytological characterisation of fusion chromosomes of Dictyostelium discoideum D. L. WelkerK. L. Williams OriginalPaper Pages: 321 - 332
Nuclear morphology of yeast under thymidylate starvation P. B. MoensB. J. BarclayJ. G. Little OriginalPaper Pages: 333 - 340
Chromosome organization during male meiosis in Bombyx mori J. B. RattnerM. R. GoldsmithB. A. Hamkalo OriginalPaper Pages: 341 - 351
Undercondensation and localized euchromatinization of the X chromosome in the grasshopper Melanoplus femur-rubrum Uzi Nur OriginalPaper Pages: 353 - 365
Synaptonemal complex of the sex-autosome trivalent in a male Indian muntjac S. PathakC. C. Lin OriginalPaper Pages: 367 - 376
Single-stranded molecules in DNA preparations from cultured mammalian cells at different moments of cell cycle Francesca CarnevaliPatrizia Filetici OriginalPaper Pages: 377 - 384
Hybridization of tRNAs of Drosophila melanogaster to the region of the 5S RNA genes of the polytene chromosomes S. HayashiW. R. AddisonG. M. Tener OriginalPaper Pages: 385 - 397
Localization of RNA polymerase B and histones in the nucleus of primary spermatocytes of Drosophila hydei, studied by immunofluorescence microscopy E. Rungger-BrändleM. JamrichE. K. F. Bautz OriginalPaper Pages: 399 - 407
The DNA sequences of cloned complex satellite DNAs from Hawaiian Drosophila and their bearing on satellite DNA sequence conservation George L. Gabor MiklosAmanda Clare Gill OriginalPaper Pages: 409 - 427
A comparative study of the location of mobile dispersed genes in salivary gland and midgut polytene chromosomes of Drosophila melanogaster E. V. AnanievYu. V. Ilyin OriginalPaper Pages: 429 - 435
A pachytene map of the mouse spermatocyte Jye-Siung FangGeorgiana Jagiello OriginalPaper Pages: 437 - 445
Cytological evidence for preferences of identical over homologous but not-identical meiotic pairing Ramón GiraldezJuan L. Santos OriginalPaper Pages: 447 - 451