1. Conservation of repeated DNA sequences in aneuploid human tumor cells

   • Laura Manuelidis
   • Elias E. Manuelidis

   OriginalPaper Pages: 257 - 269

2. The nucleolus organizers of Plethodon and Aneides located by in situ nucleic acid hybridization with Xenopus ³H-ribosomal RNA

   • Herbert Macgregor
   • Steven Sherwood

   OriginalPaper Pages: 271 - 280

3. The activity of two heat shock loci of Drosophila hydei in tissue culture cells and salivary gland cells as analyzed by in situ hybridization of complementary DNA

   • P. J. A. Sondermeijer
   • N. H. Lubsen

   OriginalPaper Pages: 281 - 291

4. Cytological studies of heterochromatin function in the Drosophila melanogaster male: autosomal meiotic pairing

   • Masatoshi Yamamoto

   OriginalPaper Pages: 293 - 328

5. Y Chromosome mosaicism in pouch young of the marsupial, greater glider (Marsupialia: Petauridae)

   • J. D. Murray
   • G. M. McKay

   OriginalPaper Pages: 329 - 334

6. Studies on triploid Allium triquetrum

   • Catherine Balog

   OriginalPaper Pages: 335 - 346

7. Karyotype analysis in Stylidium crossocephalum (Angiospermae:Stylidiaceae)

   • David J. Coates

   OriginalPaper Pages: 347 - 356

8. Chromosome variation in Stylidium crossocephalum (Angiospermae:Stylidiaceae) and the dynamic coadaptation of its lethal system

   • David J. Coates
   • S. H. James

   OriginalPaper Pages: 357 - 376

9. Metaphase I bonds, crossing-over frequency, and genetic length of specific chromosome arms of rye

   • Ramón Giraldez
   • Juan Orellana

   OriginalPaper Pages: 377 - 385