Abstract
Welshons and Russell1 demonstrated in their histological observations on the testis of X-irradiated adult Drosophila males that secondary spermatogonia and young primary spermatocytes are easily killed by X-rays and that their destruction results in a period of temporary sterility of the males. These data were tabulated by the authors in a semi-quantitative way. If one presents the results graphically (Fig. 1) it becomes evident that, besides cell killing, mitotic delay has been induced by the exposure to X-rays.
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References
Welshons, W. J., and Russell, W. L., Proc. U.S. Nat. Acad. Sci., 43, 608 (1957).
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TRAUT, H. Radiation-induced Mitotic Delay in Spermatogenesis of Drosophila melanogaster. Nature 209, 92–93 (1966). https://doi.org/10.1038/209092a0
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DOI: https://doi.org/10.1038/209092a0
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