title: Fine structure analysis of a chromosome segment in Drosophila melanogaster: analysis of ethyl methanesulphonate-induced lethals.
mesh_terms: D000477:Alkylating Agents / Q000494:pharmacology*; D000818:Animals; D002869:Chromosome Aberrations / Q000528:radiation effects; D002874:Chromosome Mapping; D004330:Drosophila; D005260:Female; D005804:Genes, Lethal; D005816:Genetic Complementation Test; D006570:Heterochromatin; D008297:Male; D009154:Mutation / Q000187:drug effects* / Q000528:radiation effects; D011831:Radiation Genetics; D013451:Sulfonic Acids / Q000494:pharmacology
chemical_list: D000477:Alkylating Agents; D006570:Heterochromatin; D013451:Sulfonic Acids