Wu Cheng,Wang Youming,Chen Xiaoheng.A STUDY OF DOMINANT LE THAL MUTATION IN MICE INDUCED BY LOW DOSE RATE CHRONIC IRRADlATION AND SINGLE ACUTE IRRADIATION WITH 60COγ-RAY[J].Chinese Journal of Radiological Medicine and Protection,1981,1(4):1-7
A STUDY OF DOMINANT LE THAL MUTATION IN MICE INDUCED BY LOW DOSE RATE CHRONIC IRRADlATION AND SINGLE ACUTE IRRADIATION WITH 60COγ-RAY
  
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Wu Cheng Institute of Biophysics, Academia Sinica 
Wang Youming Institute of Biophysics, Academia Sinica 
Chen Xiaoheng Institute of Biophysics, Academia Sinica 
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Abstract::
      When male mice were exposed to chronic irradiation of 60Coγ-ray at daily dose of 2.02,3.84,7.68 and 13.03 md,the induced dominant lethal mutation rate among these animals was higher than that of the control.There was a linear relationship between tne dominant lethal and accumulative dose,especially,while animals had received a daily dose of 7.68 tad and 13.03 md.The dominant lethal mutation rates were 2.19×10-4/rad and 2.63×10-4/rad respectively.
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