Non-replication of dna in heterochromatin of the ovary nurse cells of sciarids.
D000818:Animals; D002875:Chromosomes / Q000378:metabolism; D004261:DNA Replication; D004175:Diptera / Q000502:physiology*; D005260:Female; D008858:Microscopy, Phase-Contrast; D010053:Ovary / Q000166:cytology*; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium
D014316:Tritium; D013936:Thymidine