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. 1978 Jun;16(5-6):609-17.
doi: 10.1007/BF00484223.

Heterosis in a wild strain of Drosophila polymorpha with a lethal closely linked to the major esterase locus

M Napp, A R Cordeiro

Heterosis in a wild strain of Drosophila polymorpha with a lethal closely linked to the major esterase locus

M Napp et al. Biochem Genet. 1978 Jun.

Abstract

A laboratory population derived from a single wild inseminated female has a lethal so closely linked to the major esterase locus that in 3 years of observations no crossover products have been detected. Linkage with a chromosome inversion was excluded by cytological analysis. The heterozygotes are superior to the homozygotes in egg-adult viability, egg-laying rate, and longevity. Electrophoretic analysis of larvae, pupae, and 2-h-old adults shows that the specific phase for the lethal effect in homozygotes is the pupal stage.

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