Proceedings of the Japan Academy, Series B
Online ISSN : 1349-2896
Print ISSN : 0386-2208
ISSN-L : 0386-2208
Notes on Cytogenetic Effects of Irradiation on the Oocytes at Meiotic Stages in the Chinese Hamster
Shin-ichi SONTA
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1981 Volume 57 Issue 7 Pages 244-247

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Abstract

The chromosomes of metaphase II oocytes of the Chinese hamster were investigated at different intervals following 200R X-irradiation. The frequency of chromosome aberrations in the group exposed immediately before metaphase I was remarkably high. A significant increase of numerical aberrations also occurred in this group.

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