怎么才算是三代近亲结婚

2025-02-12 15:02:53
推荐回答(5个)
回答1:

法律规定的近亲的划定从有共同祖先的那一代计起,算第一代,依此类推。如表兄妹结婚,双方的外祖母屋第一代,双方的母亲属第二代,表只妹结台就是第三代。
我国婚烟法规定三代以内血亲禁止结婚,包括第三代,即禁止表兄妹结婚。
"三代以内的旁系血亲”是指同胞兄弟姐妹、堂兄弟姐妹、表兄弟姐妹(姑表和姨表)叔侄、伯侄、姑侄、舅甥、姨甥等。

回答2:

三代或三代以内有共同的血缘关系的结婚就是近亲结婚。

三代或三代以内有共同的血缘关系双方有太多相似的遗传因子,后代无法从他们那里产生变异,有害基因将之传递给子孙。

假如这一基因按常染色体隐性遗传方式,其子女就可能因为是突变纯合子而发病。因此,近亲婚配增加了某些常染色体隐性遗传疾病的发生风险。近亲婚配使子女中得到这样一对纯合或相同基因的概率增加。

扩展资料

禁止近亲结婚是古今中外法律的通例:

我国《唐律疏议·户婚》中规定:“诸同姓为婚者,各徒二年,缌麻以上以奸论。”明律规定:“凡同姓为婚者,各杖六十,离异。”大清律例也对近亲结婚规定了罚则。

在新民主主义革命中,《中华苏维埃共和国婚姻条例》第五条规定:禁止男女五代以内亲族血统的结婚。《晋冀鲁豫边区婚姻暂行条例》第十三条规定:直系血亲,直系姻亲及八亲等以内之旁系血亲不得结婚。

1950年婚姻法规定,为直系血亲,或为同胞的兄弟姐妹和同父异母或同母异父的兄弟姐妹者,禁止结婚;其他五代内的旁系血亲间禁止结婚的问题,从习惯。

参考资料来源:百度百科-近亲结婚

参考资料来源:中国人大网-第二章 结婚

回答3:

LS 的那个,你那表都到五代旁系血亲了,还说自己是学法学的。近亲,多近算近亲?一个人觉得是三代,另外一个人觉得是4~5代,以前古人把同姓都看做近亲呢,不允许结婚。所以就有了法律,就有了婚姻法,不是大家想当然的随口一说。 现行法律明文规定:直系血亲和三代以内旁系血亲禁止结婚。 举个最简单的例子来说。 贾母(贾政与贾敏的母亲) 贾政(宝玉父) 贾敏(黛玉母) 贾宝玉 林黛玉 宝玉之子 按照现行婚姻法的算法,以同源血亲为一代,即贾母为一代;则贾政与贾敏是亲兄弟姐妹,为二代旁系血缘关系;贾政作为舅舅与外甥女黛玉是二代与三代旁系血亲关系,属于三代旁系血缘关系的一种,不能结婚;宝玉与黛玉是表兄弟姐妹,为三代与三代旁系血缘关系,也属于三代旁系血缘关系,不能结婚;假如贾宝玉有儿子,那么宝玉之子与林黛玉是四代与三代旁系血亲的关系,属于四代旁系血缘关系的一种,法无明文禁止即可为,他们就可以结婚。

回答4:

有血缘就是了!你爸爸 ,你爸爸的弟弟或妹妹的,在加上你爸爸的弟弟妹妹的孩子 ,孩子的孩子 就是三代了

回答5:

简单的说就是两人是一个爷爷的

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