A Mutant linked to the ddt-resistance of an illinois strain of house flies
1964
LICHTWARDT, ELIZABETH T.
A mutant eye color was isolated which proved to be linked to the dominant form of DDT-mortality resistance (R) in the D+R20 substrain of the DDT 1 strain of house flies. The mutant, identified as carnation (by Hiroyoshi) is located on chromosome V; therefore, the dominant R character is on chromosome V. Since no other major resistance is present in the D+R20 strain, phenotypically susceptible lines can be isolated from testcrosses of heterozygous R+/+car or R car/ + + males on the basis of eye color. Recombination occurs between R and car on the average of 7.35%. The above results are discussed in regard to their application to enzyme analyses. Differences between R and kdr (knock-down resistance) are noted.
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