title: Highly repetitive DNA sequences in the genome of Drosophila hydei. I. Preferential localization in the X chromosomal heterochromatin.
mesh_terms: D000818:Animals; D001483:Base Sequence; D002499:Centrifugation, Density Gradient; D004247:DNA / Q000032:analysis*; D004330:Drosophila; D006570:Heterochromatin / Q000032:analysis; D009693:Nucleic Acid Hybridization; D009711:Nucleotides / Q000032:analysis*; D012313:RNA; D012730:Sex Chromosomes; D014158:Transcription, Genetic; D014316:Tritium
chemical_list: D006570:Heterochromatin; D009711:Nucleotides; D014316:Tritium; D012313:RNA; D004247:DNA