treatment of x-irradiated stationary ehrlich ascites tumour cells with the dna synthesis inhibitor beta-ara a ( 120 mumol/l , 30 min before and for 7 hours after irradiation ) is shown to lead to a large increase in the incidence of anaphase chromosome abnormalities ( anaphase bridges and fragments ) at the first mitosis following irradiation .
C0007590
cells
C0026255
mitosis