Summary
Body-weight has been shown to influence the final expression of genetic damage by X-rays in Drosophila melanogaster. If larvae of Drosophila were raised up to the third instar in media containing different amounts of the same nutrient and in different conditions of crowding a positive correlation was observed between body-weight and frequency of chromosome aberrations induced by a given dose of X-rays in the somatic cells of their nerve ganglia. This effect, present in both sexes, is most plausibly attributed to a different capacity of big and small larvae for repairing radiation damage.
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Communicated by Ch. Auerbach
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De Marco, A., Belloni, M.P. Body-weight and chromosome aberrations induced by X-rays in somatic cells of Drosophila melanogaster . Molec. Gen. Genet. 146, 1–4 (1976). https://doi.org/10.1007/BF00267976
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DOI: https://doi.org/10.1007/BF00267976