Arrangement of the highly reiterated DNA sequences in the centric heterochromatin of Drosophila melanogaster. Evidence for interspersed spacer DNA.

Animals Base Sequence Centrifugation, Density Gradient Chromosomes DNA/analysis Drosophila melanogaster/analysis Genetic Code Heterochromatin/analysis Kinetics Models, Chemical Molecular Weight Nucleic Acid Hybridization Nucleic Acid Renaturation Nucleotides/analysis RNA Tritium

Heterochromatin Nucleotides Tritium RNA DNA