Highly repetitive DNA sequences in the genome of Drosophila hydei. II. Occurrence in polytene tissues.

Base Sequence Cell Nucleolus Centrifugation, Density Gradient Chromatin Chromosomes/analysis DNA/analysis Drosophila Exonucleases Female Heterochromatin Kinetics Male Microscopy, Electron Nucleic Acid Conformation Nucleic Acid Hybridization Nucleic Acid Renaturation RNA Salivary Glands Tritium

Chromatin Heterochromatin Tritium RNA DNA Exonucleases