1. Chromosomal evolution in a haploid frog cell line: Implications for the origin of karyotypic variants

   • Liselotte Mezger-Freed

   OriginalPaper Pages: 1 - 15

2. Developmental puffing patterns in salivary gland chromosomes of Rhynchosciara hollaenderi

   • Ann Jacob Stocker
   • C. Pavan

   OriginalPaper Pages: 17 - 47

3. N-banded karyotypes of wheat species

   • W. L. Gerlach

   OriginalPaper Pages: 49 - 56

4. The genotypic control of homoeologous chromosome association in Lolium temulentum × Lolium perenne interspecific hybrids

   • I. B. Taylor
   • G. M. Evans

   OriginalPaper Pages: 57 - 67

5. The meiotic behaviour of inversions in polyploid aloineae

   • P. E. Brandham

   OriginalPaper Pages: 69 - 84

6. The meiotic behaviour of inversions in polyploid aloineae

   • P. E. Brandham
   • M. A. T. Johnson

   OriginalPaper Pages: 85 - 91

7. The relative arrangement of chromosomes in mitotic interphase and metaphase in Haplopappus gracilis

   • P. A. Th. J. Werry
   • K. Stoffelsen
   • A. W. Spanjers

   OriginalPaper Pages: 93 - 101