1. Morphological and biochemical effects of endonucleases on isolated mammalian chromosomes in vitro

   • Gary D. Burkholder

   OriginalPaper Pages: 347 - 355

2. DNA alteration induced by ultraviolet light in human metaphase chromosomes substituted with 5′-bromodeoxy uridine: monitoring by monoclonal antibodies to double-stranded and single stranded DNA

   • R. Mezzanotte
   • D. Peretti
   • J. Gosalvez

   OriginalPaper Pages: 356 - 362

3. Polytene chromosomes from ovarian pseudonurse cells of the Drosophila melanogaster otu mutant

   • Tapio I. Heino

   OriginalPaper Pages: 363 - 373

4. Expression of dispersed 36 bp sequences in Drosophila virilis

   • Revaz Vashakidze
   • Helen Zelentsova
   • Michael Evgen'ev

   OriginalPaper Pages: 374 - 380

5. Isolation and distribution of a Drosophila protein preferentially associated with active regions of the genome

   • Bärbel Fleischmann
   • Rüdiger Filipski
   • Gerhard Fleischmann

   OriginalPaper Pages: 381 - 389

6. Sex chromosome pairing patterns in male mice of novel Sxr genotypes

   • C. Tease
   • B. M. Cattanach

   OriginalPaper Pages: 390 - 395

7. Electron microscopical analysis of Drosophila polytene chromosomes

   • V. F. Semeshin
   • S. A. Demakov
   • I. F. Zhimulev

   OriginalPaper Pages: 396 - 412