A transcribed satellite DNA from the bullfrog Rana catesbeiana Zhengan WuChristine MurphyJoseph G. Gall OriginalPaper Pages: 291 - 297
Stable versus unstable orientations of sex chromosomes in two grasshopper species Jeffrey G. Ault OriginalPaper Pages: 298 - 304
Gene mapping on human metaphase chromosomes by in situ hybridization with 3H, 35S, and 32P labeled probes and transmission electron microscopy Chang-ben LiMadeline WuNorman Davidson OriginalPaper Pages: 305 - 312
Loop formation and synaptic adjustment in a human male heterozygous for two pericentric inversions M. R. GuichaouaD. DelafontaineJ. M. Luciani OriginalPaper Pages: 313 - 320
Maternal ageing and nondisjunction: A comparative study of two chromosomal techniques on the formation of univalents in first meiotic metaphase oocytes of the mouse S. SugawaraK. Mikamo OriginalPaper Pages: 321 - 325
Male pachytene pairing in single and double translocation heterozygotes and spermatogenic impairment in the mouse P. de BoerA. G. SearleC. V. Beechey OriginalPaper Pages: 326 - 336
Magnification of rRNA gene number in a Neurospora crassa strain with a partial deletion of the nucleolus organizer Peter J. RussellKarin D. Rodland OriginalPaper Pages: 337 - 340
Cytogenetic characterization of the 4BC region on the X chromosome of Drosophila melanogaster: Localization of the mei-9, norpA and omb genes S. S. BangaB. T. BloomquistW. L. Pak OriginalPaper Pages: 341 - 346
Heat shock responses in polytene foot pad cells of Sarcophaga bullata Hermann Bultmann OriginalPaper Pages: 347 - 357
Induction of a heat shock puff by hypoxia in polytene foot pad chromosomes of Sarcophaga bullata Hermann Bultmann OriginalPaper Pages: 358 - 366
Effects of supernumerary chromosome segments on the activity of nucleolar organiser regions in the grasshopper Chorthippus binotatus J. CabreroJ. Navas-CastilloJ. P. M. Camacho OriginalPaper Pages: 375 - 380
Duplications in the polytene chromosomes of Drosophila auraria C. D. KastritsisZ. G. ScourasM. Ashburner OriginalPaper Pages: 381 - 385