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The recovery, penetrance, and pleiotropy of X-linked, cold sensitive mutants in Drosophila

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Summary

The viability at 16°, 22°, and 30°C, loci, visible phenotypes if any, possible effective lethal phase, and female fertility of seven X-linked, recessive cold sensitive mutations are reported. Five of the seven are female sterile at the restrictive temperature of 16°C; two of these five are also female sterile at the permissive temperature of 25°C. For two of the five mutations which are female sterile, escapers at the restrictive temperature exhibit visible phenotypes characteristic of mutants which affect protein synthesis. The possibility that some of the mutants affect ribosomes is considered. One of the mutants, l(1)TW-6 cs, is probably a cold sensitive meiotic mutant as well as a cold sensitive zygotic lethal. One of the mutants is a non-conditional visible allele of lozenge.

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Authors and Affiliations

  1. Department of Biology, University of Virginia, Charlottesville, Virginia

    Theodore R. F. Wright

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  1. Theodore R. F. Wright
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Communicated by E. Hadorn

Supported by NSF Grants GB 7707 and GB 20910.

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Wright, T.R.F. The recovery, penetrance, and pleiotropy of X-linked, cold sensitive mutants in Drosophila . Molec. Gen. Genet. 122, 101–118 (1973). https://doi.org/10.1007/BF00435184

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  • DOI: https://doi.org/10.1007/BF00435184

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