Electron microscopic band-interband pattern of the X chromosome in Drosophila hydei W. -E. KalischG. SchwitallaT. Whitmore OriginalPaper Pages: 387 - 392
Polymorphism of the Mdg-1 and I mobile elements in Drosophila melanogaster C. BiƩmont OriginalPaper Pages: 393 - 397
Suppressor mutation of position-effect variegation in Drosophila melanogaster affecting chromatin properties R. DornS. HeymannG. Reuter OriginalPaper Pages: 398 - 403
Light and scanning electron microscopic observations on the two contrasting types of sister chromatid differential staining after ultraviolet light irradiation Susumu TakayamaToshihiko Taniguchi OriginalPaper Pages: 404 - 408
Analysis of bromodeoxyuridine-induced single and twin sister chromatid exchanges in tetraploid Chinese hamster ovary cells Jeffrey L. Schwartz OriginalPaper Pages: 409 - 412
Synaptonemal complex formation in hybrids of Lolium temulentum x Lolium perenne (L.) G. Jenkins OriginalPaper Pages: 413 - 419
Heterochromatic DNA in Tritmus (Amphibia, Urodela) Giuseppina Barsacchi-PiloneRenata BatistoniIrma Nardi OriginalPaper Pages: 435 - 446
Further examination of the production-line hypothesis in mouse foetal oocytes C. TeaseG. Fisher OriginalPaper Pages: 447 - 452
The effect of trifluoroperazine on microtubules, nuclear division and the nuclear membranes of the ciliate Nyctotherus ovalis Ute HamelmannUrsula Eichenlaub-RitterAugust Ruthmann OriginalPaper Pages: 453 - 459