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本文介绍低剂量辐射(尤以内照射为主)对生殖细胞遗传损伤的规律及适应性反应.低剂量内照射结果表明,染色体畸变率与对照组相比有可能增加,但无明确的剂量依赖关系,常出现坪值段,甚至在大剂量段还出现降低现象.经研究发现,低剂量外照射,在生殖细胞中也可出现明显的适应性反应,甚至与某些化学诱变剂之间有交叉耐受现象.
This article describes the low-dose radiation (especially in the main irradiation) of germ cell genetic damage and adaptive response to low doses of internal irradiation results show that the chromosome aberration rate compared with the control group may increase, but no clear dose-dependent , Often appear Ping value section, even in the high dose section also appears to reduce the phenomenon.The study found that low doses of external radiation, in the germ cells can also appear significant adaptive response, and even between some chemical mutagens Cross-tolerance.