1. Mammalian sex chromosomes: Evolution of organization and function

   • Jennifer A. Marshall Graves
   • Jaclyn M. Watson

   Chromosoma Focus Pages: 63 - 68

2. Association of RNA with the B and C snurposomes of Xenopus oocyte nuclei

   • Harold G. Callan
   • Joseph G. Gall

   Original Articles Pages: 69 - 82

3. Tissue distribution of two major components of synaptonemal complexes of the rat

   • Hildo H. Offenberg
   • Axel J. J. Dietrich
   • Christa Heyting

   Original Articles Pages: 83 - 91

4. Antibodies directed against a meiosis-specific, chromatin-associated protein identify conserved meiotic epitopes

   • C. Daniel Riggs
   • Clare A. Hasenkampf

   Original Articles Pages: 92 - 98

5. Structure, mitotic and meiotic behaviour, and stability of centromere-like elements devoid of chromosome arms in the fly Megaselia scalaris (Phoridae)

   • Klaus Werner Wolf
   • Hans Günter Mertl
   • Walther Traut

   Original Articles Pages: 99 - 108

6. Comparative mapping of a gorilla-derived alpha satellite DNA clone on great ape and human chromosomes

   • Antonio Baldini
   • Dorothy A. Miller
   • David C. Ward

   Original Articles Pages: 109 - 114

7. An overview of gene activity in the fat body of Drosophila gibberosa

   • Paul A. Roberts
   • Jon Jacobsen

   Original Articles Pages: 115 - 122

8. Chromosome banding in Amphibia

   • M. Schmid
   • C. Steinlein

   Original Articles Pages: 123 - 132