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  • 1
    Electronic Resource
    Electronic Resource
    The effects of X-rays on the chromosomes of locust embryos (1966)
    Springer
    Chromosoma 19 (1966), S. 300-316 
    Details
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Irradiation of embryo cells of Schistocerca gregaria in the two hours before mitotic anaphase produces a characteristic series of responses. An apparently insensitive stage is followed by the production of “stickiness” and side-arm bridges and finally by mitotic delay. Mitotic delay is complete at doses as low as 25 R. It is argued that “stickiness’ is due to a generalised physiological process and that side-arm bridges are due to a localised exchange of discrete sub-units of the chromatid. These conclusions are based upon the kinetics of appearance and dose-response and a comparison of haploid and diploid cells in a haplo-diploid mosaic embryo.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00326920
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