Mutation spectra of 1,2-dibromoethane, 1,2-dichloroethane and 1-bromo-2-chloroethane in excision repair proficient and repair deficient strains of Drosophila melanogaster.

Abstract excerpt

DNA sequence changes produced by 1,2-dibromoethane (DBE), 1,2-dichloroethane (DCE) and 1-bromo-2-chloroethane (BCE) were analyzed using the vermilion locus of Drosophila melanogaster. Under excision repair proficient (exr+) conditions (mutagenized exr+ males mated with exr+ females) all mutants isolated from the first generation (F1) after DBE and DCE exposure represented DNA rearrangements (multi-locus...

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