1. Cytogenetics of nucleolus-transpositions in Drosophila melanogaster

   • Aloha Hannah-Alava

   OriginalPaper Pages: 191 - 203

2. Molecular heterozygotes in Bacillus subtilis and their correction

   • S. E. Bresler
   • R. A. Kreneva
   • V. V. Kushev

   OriginalPaper Pages: 204 - 213

3. Relation between Px phages and generalised transducing particles of phage P22

   • H. H. Prell
   • W. Bode

   OriginalPaper Pages: 214 - 216

4. Location of uvr502 mutation of the chromosome of Escherichia coli K-12

   • G. B. Smirnov
   • A. G. Skavronskaya

   OriginalPaper Pages: 217 - 221

5. Female-specific phages and F-minus strains of Escherichia coli K12

   • Lesley Williams
   • G. G. Meynell

   OriginalPaper Pages: 222 - 227

6. Chemical and genetical control of induction of monokaryotic fruiting bodies in Coprinus macrorhizus

   • Isao Uno
   • Tatsuo Ishikawa

   OriginalPaper Pages: 228 - 239

7. Isolation of Salmonella typhimurium mutants affecting the plaque morphology of phage P22

   • R. Nagaraja Rao
   • C. V. Sundar Raj

   OriginalPaper Pages: 240 - 243

8. A minor Q-independent pathway for the expression of the late genes in bacteriophage λ

   • C. Dambly
   • M. Couturler

   OriginalPaper Pages: 244 - 250

9. Genetic analysis of a meiotic mutant resulting in precocious sister-centromere separation in Drosophila melanogaster

   • Brian K. Davis

   OriginalPaper Pages: 251 - 272

10. Escherichia coli mutants temperature-sensitive for DNA synthesis

    • James A. Wechsler
    • Julian D. Gross

    OriginalPaper Pages: 273 - 284