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婚姻法上明文规定:直系血亲和三代以内旁系血亲禁止结婚。这条规定有充分的科学依据,完全符合优生学的原则。近亲结婚有什么危害? 贵州省遵义市某乡,有一对近亲结婚的夫妇,生育了8胎,有5个孩子是痴呆儿,2个早死,1个患青光眼。又如江苏省东台县1981年在全县54万人口中调查,共查出3,355对近亲配偶,他们共生子女5,227人,其中智力低下或痴呆者共993人,占总数的18.99％,体质受影响者,如发育不全、色盲、五官或四肢有缺陷或遗传病等,共887人,占总数的
Marriage Law expressly provides: direct blood relatives and three generations within the blood relatives prohibited marriage. This provision has a full scientific basis, in full compliance with the principles of eugenics. What is the harm of cousins marriage? A married couple of kinship in Zunyi City, Guizhou Province, has 8 children, 5 children are dementia, 2 are premature death and 1 is suffering from glaucoma. In addition, in Dongtai County, Jiangsu Province, in 1981, a survey was conducted among 540,000 people in the county. A total of 3,355 pairs of spouses were found with 5,227 children, including 993 with mental retardation or dementia, accounting for 18.99% of the total. Physical constitution was affected Such as hypoplasia, color blindness, facial features or limb defects or genetic diseases, a total of 887 people, accounting for the total