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A heritable aberrant sex-ratio inDrosophila melanogaster reducing the number of females

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Abstract

In several independent selection lines, derived from a stockCy/Kr, after many generations of moderate inbreeding aberrant sex-ratios turned up, with males in excess of females. A stock was established which had a mean ratio, at 25°C, of 5.8♂♂: 1♀. This ratio was temperature-dependent, increasing at a higher temperature and shifting towards normal at lower temperatures.

By substitution of chromosomes stocks have been obtained which had different, less strongly aberrant sex-ratios. These ratios were fairly characteristic for a given chromosome substitution. The sex-ratio condition reported here appears to be due to genes located on the three major chromosomes. There are indications of a maternal effect.

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Authors and Affiliations

  1. Department of Genetics, University of Leipen, Netherlands

    G. G. M. Schulten

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  1. G. G. M. Schulten
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Schulten, G.G.M. A heritable aberrant sex-ratio inDrosophila melanogaster reducing the number of females. Genetica 35, 182–196 (1964). https://doi.org/10.1007/BF01804887

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  • DOI: https://doi.org/10.1007/BF01804887

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