1. Three euchromatic DNA sequences under-replicated in polytene chromosomes of Drosophila are localized in constrictions and ectopic fibers

   • Mary M. Lamb
   • Charles D. Laird

   OriginalPaper Pages: 227 - 235

2. The lampbrush chromosomes of Xenopus laevis: preparation, identification, and distribution of 5S DNA sequences

   • H. G. Callan
   • Joseph G. Gall
   • Celeste A. Berg

   OriginalPaper Pages: 236 - 250

3. Longitudinal differentiation of metaphase chromosomes of Indian muntjac as studied by restriction enzyme digestion, in situ hybridization with cloned DNA probes and distamycin A plus DAPI fluorescence staining

   • Takayuki Ueda
   • Shinkichi Irie
   • Yoshihiro Kato

   OriginalPaper Pages: 251 - 257

4. The compensatory response locus deletion increases the number of nucleoli in Drosophila melanogaster polytene cells

   • Luchesar B. Toshev
   • Evgenii P. Semionov

   OriginalPaper Pages: 258 - 262

5. Antibody labelling and flow cytometric analysis of metaphase chromosomes reveals two discrete structural forms

   • Bryan M. Turner
   • Ann Keohane

   OriginalPaper Pages: 263 - 270

6. Chromosome banding in Amphibia

   • M. Schmid
   • L. Vitelli
   • R. Batistoni

   OriginalPaper Pages: 271 - 284

7. Factors influencing replicon organization in tissues having different S-phase durations in the mole rat, Bandicota bengalensis

   • D. D. Dubey
   • Rajiva Raman

   OriginalPaper Pages: 285 - 289

8. Lack of evidence that the XqYq pairing tips at meiosis in the mouse show hypersensitivity to DNAse I

   • E. Rajcan Separovic
   • A. C. Chandley

   OriginalPaper Pages: 290 - 294

9. Cytogenetic analysis of region 2B3-4-2B11 of the X-chromosome of Drosophila melanogaster

   • E. S. Belyaeva
   • M. O. Protopopov
   • I. F. Zhimulev

   OriginalPaper Pages: 295 - 310