Abstract
Genetic background variation influencing expression of the Antennapaedia homeotic phenotype was examined by crossing the Antp73b allele of the Antennapaedia locus reciprocally into seven isogenically derived wild type strains of Drosophila melanogaster and their genetically heterogeneous parent strain, Dover. The parent Antp13b strain's Antennapaedia phenotype shows a small patch of untransformed antennal tissue remaining on the homeotic femur. The size of this patch was used as an assay for background variation influencing expression of the Antp73b homeotic mutation. Patch size varied approximately six-fold across the different genetic backgrounds. Effects of maternal parent, sex and sex-linkage were also observed.
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Possidente, D., Greaux, J. & Possidente, B. Quantitative genetic background effects on the Antennapaedia phenotype in Drosophila melanogaster. Heredity 65, 321–327 (1990). https://doi.org/10.1038/hdy.1990.101
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DOI: https://doi.org/10.1038/hdy.1990.101