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Chromosome maps of Drosophila
- V. Sorsa
INTRODUCTION. MUTAGENS IN COOKED FOOD. History of the Study on Cooked Food Mutagens. A List of Mutagenic Heterocyclic Amines. DNA Modification In Vitro and In Vivo with Heterocyclic Amines. DIETARY… Expand
Electron Microscopic Mapping and Ultrastructure of Drosophila Polytene Chromosomes
- V. Sorsa
The number of molecular studies involving cloned segments of DNA has been growing rapidly. This development holds a promise of rapid progress in the study of individual genes of Drosophila… Expand
Cytogenetic fine structure and chromosomal localization of the white gene in Drosophila melanogaster.
Refinements in the cytogenic localization technique indicate that the white gene in Drosophila melanogaster cannot occupy more than a small fraction of the polytene chromosome band with which it is… Expand
Electron microscopic analysis of the banding pattern in the salivary gland chromosomes of Drosophila melanogaster. Divisions 11 through 20 of X.
The banding pattern of the proximal half of the polytene salivary gland X chromosome of Drosophila melanogaster was studied using thin section electron microscopy. The bands were identified according… Expand
Distribution of chromomeres as a basis of chromosomal coiling.
- V. Sorsa
- Biology, Medicine
- Journal of cell science
- 1 February 1986
Periodicity in the distribution of prominent bands was analysed from the light and electron microscopic maps of salivary gland chromosomes of Drosophila melanogaster. The data obtained indicate that… Expand
Whole mount electron microscopy of alkali-urea treated polytene chromosomes spread by centrifugation.
Ultrastructure of regions containing homologous loci in polytene chromosomes of Drosophila melanogaster and Drosophila subobscura
Abstract. We have used a new approach involving in situ hybridisation and electron microscopy to establish ultrastructural homologies between polytene chromosome regions of Drosophila melanogaster… Expand
ON THE INTRASPECIFIC VARIABILITY OF DRYOPTERIS ASSIMILIS S. WALKER AND DRYOPTERIS SPINULOSA WATT: A CHROMATOGRAPHIC AND CYTOLOGICAL STUDY