Fig. 2.
Cytochalasin B-blocked human lymphocytes showing micronucleus. (a) A binucleated cell with MN in cytoplasm; (b) Two binucleated cells, one cell with MN in cytoplasm: (c) and (d) Binucleated cells with MN; and (e) A binucleated cell and a pentanucleated cell with two MN in the cytoplasm.