1. A new class of p-fluorophenylalanine-resistant mutants in Neurospora crassa

   • C. J. Brooks
   • B. G. DeBusk
   • D. E. A. Catcheside

   OriginalPaper Pages: 239 - 254

2. Distribution of erythrocyte carbonic anhydrase B-type alleles in Japanese farm horses

   • H. F. Deutsch
   • N. Taniguchi
   • H. Hirai

   OriginalPaper Pages: 255 - 262

3. Molecular location of the genetic lesion in the acatalasemic mouse

   • Robert N. Feinstein
   • Bernard N. Jaroslow
   • Judith B. Howard

   OriginalPaper Pages: 263 - 273

4. Mitochondria and chloroplasts as descendants of prokaryotes

   • Richard Flavell

   OriginalPaper Pages: 275 - 291

5. Genome amplification and gene expression in the ciliate macronucleus

   • Sally Allen
   • Ian Gibson

   OriginalPaper Pages: 293 - 313