1. Auxin-Autotrophie und Chromosomenzahl

   • Maria Dolores Sacristán

   OriginalPaper Pages: 311 - 321

2. The effect of diepoxybutane on chromosomes of Vicia faba

   • Z. Swietlińska
   • J. Żuk
   • J. Zbrezeska

   OriginalPaper Pages: 322 - 332

3. Physical and mapping properties of distant linkages between genetic markers in transformation of Bacillus subtilis

   • M. S. Kelly

   OriginalPaper Pages: 333 - 349

4. The causes of instability of linkage in transformation of Bacillus subtilis

   • M. S. Kelly

   OriginalPaper Pages: 350 - 361

5. Chain growth rate and length of enzymatically synthesized RNA molecules

   • Hans Bremer

   OriginalPaper Pages: 362 - 371

6. A comparison of the number of titratable carboxyl groups of TMV wild strains and mutants in the native and denatured states

   • Gisela Oehlen

   Short Communication Pages: 372 - 375