1. Interactions stabilizing DNA tertiary structure in the Escherichia coli chromosome investigated with ionizing radiation

   • Bjorn K. Lydersen
   • David E. Pettijohn

   OriginalPaper Pages: 199 - 215

2. RNA synthesis in isolated polytene nuclei from Chironomus tentans

   • Horst Hameister

   OriginalPaper Pages: 217 - 242

3. Biochemical analysis of meiosis in the male mouse

   • Ann C. Chandley
   • Yasuo Hotta
   • Herbert Stern

   OriginalPaper Pages: 243 - 253

4. Biochemical analysis of meiosis in the male mouse

   • Yasuo Hotta
   • Ann C. Chandley
   • Herbert Stern

   OriginalPaper Pages: 255 - 268

5. Chromosomes and DNA of Microtus

   • J. E. K. Cooper

   OriginalPaper Pages: 269 - 278

6. The identification of rye trisomics by translocations and Giemsa staining

   • F. J. Zeller
   • G. Kimber
   • Bikram S. Gill

   OriginalPaper Pages: 279 - 289