1. Nuclear morphogenesis and the onset of transcriptional activity in early hamster embryos

   • João Ferreira
   • Maria Carmo-Fonseca

   OriginalPaper Pages: 1 - 11

2. Nucleolar organizer expression inAllium cepa L. chromosomes

   • Francisco Panzera
   • M. Inmaculada Giménez-Abián
   • Consuelo De la Torre

   OriginalPaper Pages: 12 - 19

3. Tau as a nucleolar protein in human nonneural cells in vitro and in vivo

   • Virginia C. Thurston
   • Raymond P. Zinkowski
   • Lester I. Binder

   OriginalPaper Pages: 20 - 30

4. Postmetaphase nuclear formation: Loss of a chromosomal epitope coincident with apparent chromatid coalescence

   • D. L. Adams
   • L. D. Hodge

   OriginalPaper Pages: 31 - 40

5. Activity banding of human chromosomes as shown by histone acetylation

   • J. W. Breneman
   • P. M. Yau
   • E. M. Bradbury

   OriginalPaper Pages: 41 - 49

6. The diplochromosome of endoreduplicated cells: A new approach to highlight the mechanism of sister chromatid exchange

   • R. Meschini
   • R. Bastianelli
   • F. Palitti

   OriginalPaper Pages: 50 - 54

7. Distribution of 5S and 18S–28S rDNA loci in a tetraploid cotton (Gossypium hirsutum L.) and its putative diploid ancestors

   • Robert E. Hanson
   • M. Nurul Islam-Faridi
   • H. James Price

   OriginalPaper Pages: 55 - 61

8. Resolving ambiguities in the karyotype of domestic sheep (Ovis aries)

   • H. A. Ansari
   • D. W. Maher
   • T. E. Broad

   OriginalPaper Pages: 62 - 67