Abstract
Reversion mutagenesis of three single P elements located in the cytogenetic interval 1E-2A at the tip of the X chromosome of Drosophila melanogaster was used to recover new deletions in this chromosomal region. The deletions obtained include small aberrations within region 2A and larger lesions extending from 2A into 1E and 1B. All three screens also yielded terminal deficiencies. The new deficiencies, together with previously characterized rearrangements, were analyzed for their complementation behaviour with the maternal effect locus fs(1)Nasrat and lethal loci in the region. These analyses provide an overall genetic map of the interval 1E-2A. In addition, the smaller deletions were physically mapped within cloned genomic DNA of the 2A region.
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Communicated by J.A. Campos-Ortega
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Degelmann, A. Genetic analysis of the X-chromosomal region 1E-2A of Drosophila melanogaster . Molec. Gen. Genet. 239, 257–268 (1993). https://doi.org/10.1007/BF00281626
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DOI: https://doi.org/10.1007/BF00281626