Organization of centromeres in the decondensed nuclei of mature human sperm Andrei O. ZalenskyJohn W. BrenemanE. Morton Bradbury OriginalPaper Pages: 509 - 518
Amplification of the nucleolus organizer region during the sexual phase of Neurospora crassa David K. ButlerRobert L. Metzenberg OriginalPaper Pages: 519 - 525
Partial reconstruction of the lampbrush loop pair Nooses on the Y chromosome of Drosophila hydei Ron HochstenbachAndy PötgensWolfgang Hennig OriginalPaper Pages: 526 - 545
Localization of the lampbrush loop pair Nooses on the Y chromosome of Drosophila hydei by fluorescence in situ hybridization Ron HochstenbachMonique WilbrinkWolfgang Hennig OriginalPaper Pages: 546 - 552
The sex determining region of Chironomus thummi is associated with highly repetitive DNA and transposable elements Christiane KraemerErwin R. Schmidt OriginalPaper Pages: 553 - 562
Two early replicated, developmentally controlled genes of Physarum display different patterns of DNA replication by two-dimensional agarose gel electrophoresis John D. DillerHelmut W. Sauer OriginalPaper Pages: 563 - 574
Two new X-autosome Robertsonian translocations in the mouse Charles TeaseGraham Fisher OriginalPaper Pages: 575 - 582
Cytogenetic and molecular aspects of position-effect variegation in Drosophila melanogaster E. S. BelyaevaO. V. DemakovaI. F. Zhimulev OriginalPaper Pages: 583 - 590