Segregational mechanisms of sex chromosomes in megaloptera (Neuropteroidea) Sally Hughes-Schrader OriginalPaper Pages: 307 - 314
Synaptonemal complexes and associated structures in microspread human spermatocytes Alberto J. Solari OriginalPaper Pages: 315 - 337
Time of recombination in the Drosophila melanogaster Oocyte R. F. GrellE. E. Generoso OriginalPaper Pages: 339 - 348
DNA synthesized at pachytene in Lilium: A non-divergent subclass of moderately repetitive sequences Robert A. BouchardHerbert Stern OriginalPaper Pages: 349 - 363
Estimation of DNA fork displacement rates from isolated mammalian chromosomes Jeff DiedenRobert B. PainterLeon N. Kapp OriginalPaper Pages: 365 - 370
Absence of short-period repetitive-sequence interspersion in the Basidiomycete Schizophyllum commune Robert C. UllrichBruce D. KohornCharles A. Specht OriginalPaper Pages: 371 - 378
Quantitative variation of “Mus musculus-like” constitutive heterochromatin and satellite DNA-sequences in the genus Mus S. SenT. Sharma OriginalPaper Pages: 393 - 402
Cell-free synthesis and immunological characterization of salivary proteins from Chironomus tentans Paul A. HardyClaus Pelling OriginalPaper Pages: 403 - 417
Acid lability of deoxyribonucleic acids of some polytene chromosome regions of Rhynchosciara americana Maria Luiza S. MelloB. C. Vidal OriginalPaper Pages: 419 - 429
A Drosophila melanogaster cell line tested for the presence of active NORs by silver staining Enrica Privitera OriginalPaper Pages: 431 - 437
Primary and secondary nonrandom X chromosome inactivation in early female mouse embryos carrying Searle's translocation T(X; 16)16H Nobuo Takagi OriginalPaper Pages: 439 - 459
Synergistic action of cysteamine and BrdU-substituted DNA in the induction of sister chromatid exchanges G. SpeitM. WolfW. Vogel OriginalPaper Pages: 461 - 471
Localisation of 7-12-Dimethylbenz(a)anthracene induced chromatid breaks and sister chromatid exchanges in chromosomes 1 and 2 of bone marrow cells of rat in vivo A. C. van Kesteren-van LeeuwenA. T. Natarajan OriginalPaper Pages: 473 - 481
Origin of kinetochore microtubules in Chinese hamster ovary cells Patricia L. WittHans RisGary G. Borisy OriginalPaper Pages: 483 - 505
