父母近亲结婚会影响几代-未婚及结婚纠纷法律援助-法律咨询免费平台-国际律师联盟

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问题	父母近亲结婚会影响几代
释义	一般会影响两代，不会影响第三代。由于近亲结婚的夫妇，容易使对生存不利的隐性有害基因在后代中相遇(即纯合)，因而容易出生素质低劣的孩子。直系血亲和三代以内的旁系血亲禁止结婚。近亲结婚对后代的影响只在于后代患某些遗传病(由隐形基因控制的)的几率高于普通人,即控制同一遗传病的隐性基因结合,使其控制的遗传病得以表现的几率高。所以不会影响到第三代，即使第三代有什么问题也与第一代近亲结婚无关。法律依据《中华人民共和国民法典》第一千零四十八条【禁止结婚的情形】直系血亲或者三代以内的旁系血亲禁止结婚。
随便看	信用不良可以用房子抵押贷款吗哪些征信问题会影响房屋贷款房贷不还会影响信用吗信用记录不良怎么申请办理房贷失信人员会影响现有房贷么个人信用记录不良怎么贷款? 银行贷款的不良信用记录可否人工消除银行贷款不良信用记录可不可以人工消除银行个人贷款条件是什么（个人有不良信用记录怎么办）能否通过人工操作消除银行贷款不良信用记录？银行贷款不良信用记录可以自动消除吗贷款不还有什么后果不还贷款的后果有哪些？欠贷款不还会有什么后果贷款不还会有什么后果？贷款不还后果是什么? 贷款欠款不还有什么后果贷款不还会的后果是什么贷款不还会给什么样的后果信用贷款不还会判什么刑贷款不还的后果是什么贷款不还的话会有什么后果贷款不还会的后果是什么？有贷款债务不还的后果是什么贷款不还会导致哪些后果？ controversy over bonds controversy over borrowings controversy over breaking-up of a family and allotment of properties controversy over cinematographic contract controversy over commercial instruments controversy over commercial paper controversy over common sales of goods controversy over compensation for environmental damages controversy over contract of close corporation controversy over contract of lease controversy over contract of partnership joint management controversy over contract of pawn controversy over contractual rights for the loan of materials objects controversy over copyright controversy over counterfeiting a trademark famous at home and abroad controversy over damage caused during high-risk operation controversy over damage caused in the course of negotiorum gestio controversy over damage inflicted to another by environmental pollution controversy over damages for trademark infringement controversy over forced heirship controversy over foreign property interests controversy over forest ownership controversy over general average controversy over highway transportation controversy over industrial property rights

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