1. Genetic exchanges caused by ultraviolet photoproducts in phage λ DNA molecules: The role of DNA replication

   • Pin-Fang Lin
   • Paul Howard-Flanders

   OriginalPaper Pages: 107 - 115

2. Mapping of mitochondrial genes in Saccharomyces cerevisiae

   • R. J. Schweyen
   • U. Steyrer
   • P. P. Slonimski

   OriginalPaper Pages: 117 - 132

3. Cytoplasmic inheritance of antimycin A resistance in Saccharomyces cerevisiae

   • Georg Michaelis

   OriginalPaper Pages: 133 - 137

4. Multiple regulation of nucleoside catabolizing enzymes: Effects of a polar dra mutation on the deo enzymes

   • Hanne Albrechtsen
   • Karin Hammer-Jespersen
   • Niels Fiil

   OriginalPaper Pages: 139 - 145

5. Chlorate toxicity in Aspergillus nidulans

   • D. J. Cove

   OriginalPaper Pages: 147 - 159

6. Effect of tra mutations on F factor-specified immunity to lethal zygosis

   • R. A. Skurray
   • N. Willetts
   • P. Reeves

   OriginalPaper Pages: 161 - 165

7. Genetic control of the cell division cycle in the fission yeast Schizosaccharomyces pombe

   • Paul Nurse
   • Pierre Thuriaux
   • Kim Nasmyth

   OriginalPaper Pages: 167 - 178

8. Initial trp operon sequence in Escherichia coli is transcribed without coupling to translation

   • Yasunobu Kano
   • Michihiko Kuwano
   • Fumio Imamoto

   OriginalPaper Pages: 179 - 188

9. Cytological localization of the maternal effect gene, tuh-1, in Drosophila melanogaster

   • Jagdeesh Pyati

   OriginalPaper Pages: 189 - 190

10. Control of cI gene expression in bacteriophage λimm ⁴³⁴, studied in an immunity/trp fusion made in vitro

    • Ricardo Pastrana
    • William J. Brammar

    OriginalPaper Pages: 191 - 198

11. The construction in vitro of transducing derivatives of phage lambda

    • Kathleen Borck
    • Jean D. Beggs
    • Noreen E. Murray

    OriginalPaper Pages: 199 - 207

12. Arg-7 mutant x wild-type crosses in Chlamydomonas reinhardi: Study of the enzyme produced in diploid strains

    • R. F. Matagne

    OriginalPaper Pages: 209 - 214