1. B-chromosomes in inbred lines of rye (Secale cereale L.)

   • M. M. Jiménez
   • E. Romera
   • R. N. Jones

   OriginalPaper Pages: 149 - 154

2. Non-random patterns of non-disjunctional orientation in trivalents of multiple Robertsonian heterozygotes of Dichroplus pratensis (Acrididae)

   • Patricia M. Mirol
   • Claudio J. Bidau

   OriginalPaper Pages: 155 - 164

3. Sequential gel electrophoretic analysis of esterase-2 in two populations of Drosophila buzzatii

   • J. S. F. Barker

   OriginalPaper Pages: 165 - 175

4. A heterochromatic P sequence in the D. subobscura genome

   • N. Paricio
   • M. J. Martínez-Sebastián
   • R. de Frutos

   OriginalPaper Pages: 177 - 186

5. Perturbation of gene frequencies in a natural population of Drosophila melanogaster: evidence for selection at the Adh locus

   • John A. McKenzie
   • Stephen W. McKechnie
   • Philip Batterham

   OriginalPaper Pages: 187 - 196

6. Genome accumulation in eastern gamagrass, Tripsacum dactyloides (L.) L. (Poaceae)

   • Bryan Kindiger
   • Chet Dewald

   OriginalPaper Pages: 197 - 201

7. Nuclear DNA content of Pinus sylvestris (L.) as determined by laser flow cytometry

   • Jari P. T. Valkonen
   • Markku Nygren
   • Leena Mannonen

   Short Communication Pages: 203 - 207