1. Hans Bauer

   • W. Beermann

   In Memoriam Pages: 185 - 185

2. Structural analysis of the mitotic cycle in pre-gastrula Xenopus embryos

   • Markus Montag
   • Herbert Spring
   • Michael F. Trendelenburg

   OriginalPaper Pages: 187 - 196

3. The integrity of the histone-DNA complex in chromatin fibres is not necessary for the maintenance of the shape of mitotic chromosomes

   • Hanspeter Homberger
   • Theodor Koller

   OriginalPaper Pages: 197 - 204

4. Genotypes affecting the condensation and transmission of heterochromtic B chromosomes in the mealybug Pseudococcus affinis

   • Uzi Nur
   • Betty Lou H. Brett

   OriginalPaper Pages: 205 - 212

5. Simple GA _C ^T A repeats characterize the X chromosomal heterochromatin of Microtus agrestis, European field vole (Rodentia, Cricetidae)

   • Indrajit Nanda
   • Heidemarie Neitzel
   • Jörg T. Epplen

   OriginalPaper Pages: 213 - 219

6. The CBA mouse as a model for age-related aneuploidy in man: studies of oocyte maturation, spindle formation and chromosome alignment during meiosis

   • U. Eichenlaub-Ritter
   • A. C. Chandley
   • R. G. Gosden

   OriginalPaper Pages: 220 - 226

7. DNase I sensitivity of Microtus agrestis active, inactive and reactivated X chromosomes in mouse-Microtus cell hybrids

   • Bat-Sheva Kerem
   • Veronika Kottusch-Geiseler
   • Menashe Marcus

   OriginalPaper Pages: 227 - 230

8. Karyotypic conservation in the mammalian order monotremata (subclass Prototheria)

   • Jaclyn M. Wrigley
   • Jennifer A. Marshall Graves

   OriginalPaper Pages: 231 - 247

9. Suppression of tumorigenicity in T-cell lymphoma hybrids is correlated with changes in myc expression and DNA replication of the myc chromosomal domain

   • J. Eul
   • H. Gronemeyer
   • H. Hameister

   OriginalPaper Pages: 248 - 254

10. Cytogenetic and molecular aspects of position effect variegation in Drosophila melanogaster

    • I. F. Zhimulev
    • E. S. Belyaeva
    • I. E. Vlassova

    OriginalPaper Pages: 255 - 261