This paper reviewed the relationship between chromosomal aberrations at the different stages of mitotic cycle and the mechanism of chromosomal aberrations and micronuclei induced by radiation.

• 本文主要对辐射诱发染色体畸变和微核的形成与细胞分裂周期的关系作了综述和分析；并对微核细胞率作为辐射损伤的细胞学指标进行了评价.