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Abstract: A wing specific F1 genetic screen was carried out using the powerfuldrosophila genetic system, combined with yeast FRT/FLP and GAL4/UAS system. Form the wing phenotypes and germline clone embryonic cuticle phenotypes observed in these mutant alleles, a number of mutant alleles of known or unknown genes were isolated. Among them, fifteen mutant alleles related to wingless signal transduction were further isolated; the arm of these mutations located were determined, and their location in the chromosome were roughly mapped.

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