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Frequency of cells containing overduplicated centrosomes with respect to cell survival. (a) The frequency of cells containing excess centrosomes in all wild‐type cells was plotted as shown. (b) The frequency of cells containing excess centrosomes in Brca1‐deficient, Nbs1‐deficient, and non‐homologous end‐joining‐deficient cells was plotted as shown. Acute, 1 Gy/min; ES, embryonic stem (cells); Protracted, 0.5 mGy/min.
