Histone content in relation to amount of heterochromatin and developmental stage in three species of Drosophila P. HolmgrenB. RasmusonG. Sundquist OriginalPaper Pages: 99 - 116
Interchromosomal asynchrony of DNA replication in polytene chromosomes of Drosophila pseudoobscura S. N. ChatterjeeS. N. MondalA. S. Mukherjee OriginalPaper Pages: 117 - 125
Patterns of incorporation of tritiated thymidine by the dorsal polytene foot-pad nuclei of Sarcophaga bullata (Sarcophagidae: Diptera) Brian RobertsJoan M. WhittenLawrence I. Gilbert OriginalPaper Pages: 127 - 140
Nuclear DNA, nuclear area and nuclear dry mass in thirteen species of Crotalaria (Angiospermae, Leguminosae) P. K. Gupta OriginalPaper Pages: 155 - 164
Differential response to cold and HCl-acetic acid treatment of heterochromatin in reconstructed Vicia faba karyotypes S. TakehisaP. DöbelA. Michaelis OriginalPaper Pages: 165 - 173
The time rate and mechanism of chromosome elimination in Hordeum hybrids M. D. BennettR. A. FinchI. R. Barclay OriginalPaper Pages: 175 - 200