The maps of the lampbrush chromosomes of Triturus (Amphibia urodela) Giuseppina BarsacchiLuciana BussottiGiorgio Mancino OriginalPaper Pages: 255 - 279
Chromosome and chromatid-type aberrations induced by cobalt60 irradiation and tritiated uridine in human leukocyte cultures K. Lindahl-KiesslingB. SantessonJ. -A. Böök OriginalPaper Pages: 280 - 284
Inter-population sex chromosome polymorphism in the grasshopper Podisma pedestris B. JohnG. M. Hewitt OriginalPaper Pages: 291 - 308
The amounts of nuclear DNA and the duration of DNA synthetic period (S) in related diploid and autotetraploid species of oats Da -Ping YangEdwabd O. Dodson OriginalPaper Pages: 309 - 320
DNA values in somatic tissues of Dermestes (Dermestidae: Coleoptera) D. P. Fox OriginalPaper Pages: 321 - 330
Localisation of reiterated nucleotide sequences in Drosophila and mouse by in situ hybridisation of complementary RNA Kenneth W. JonesForbes W. Robertson OriginalPaper Pages: 331 - 345
Ultrastructure of induced transitions in the chromatin organization of Drosophila polytene chromosomes Veikko SorsaMarja Sorsa OriginalPaper Pages: 346 - 355
Patterns of puffing activity in the salivary gland chromosomes of Drosophila Michael Ashburner OriginalPaper Pages: 356 - 376