The relationship between ribosomal repeat length and genome size in Vicia Gayle K. LamppaSandra HondaArnold J. Bendich OriginalPaper Pages: 1 - 7
A chromosome rearrangement in Neurospora that produces segmental aneuploid progeny containing only part of the nucleolus organizer David D. PerkinsNamboori B. RajuEdward G. Barry OriginalPaper Pages: 8 - 17
The pattern of pairing that is effective for crossing over in complex B-A chromosome rearrangements in maize Marjorie P. Maguire OriginalPaper Pages: 18 - 23
Meiotic behaviour, stability, transmission and recombination in four balanced tertiary trisomics of rye (Secale cereale L.) J. N. de Vries OriginalPaper Pages: 24 - 32
Analysis of exchanges in differentially stained meiotic chromosomes of Locusta migratoria after BrdU-substitution and FPG staining G. H. JonesC. Tease OriginalPaper Pages: 33 - 36
An early stage of ZW/ZZ sex chromosome differentiation in Poecilia sphenops var. melanistica (Poeciliidae, Cyprinodontiformes) T. HaafM. Schmid OriginalPaper Pages: 37 - 41
Characterisation of a very complex constitutive heterochromatin in two Gerbillus species (Rodentia) Evani Viegas-PequignotTouria BenazzouBernard Dutrillaux OriginalPaper Pages: 42 - 47
The organ-specific rRNA gene number in Drosophila hydei is controlled by sex heterochromatin Charlotte GrimmWerner KunzGerald Franz OriginalPaper Pages: 48 - 54
Conserved autonomy of replication of the X-chromosomes in hybrids of Drosophila miranda and Drosophila persimilis Mausumi Mutsuddi (née Das)Debasish MutsuddiAshish K. Duttagupta OriginalPaper Pages: 55 - 62
Replication variants of the human inactive X chromosome Malgorzata SchmidtWlodzimierz Maciej Stolzmann OriginalPaper Pages: 68 - 75
DNA lysis is involved in the simplified fluorescence plus Giemsa method for differential staining of sister chromatids K. Y. JanJia Ling YangPei Fen Su OriginalPaper Pages: 76 - 78
Induction of endoreduplication by hydrazine in Chinese hamster V 79 cells and reduced incidence of sister chromatid exchanges in endoreduplicated mitoses G. SpeitK. MehnertW. Vogel OriginalPaper Pages: 79 - 84