[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fK6SdktFTEeWLFeWlQAar0HgCfuv7OTmvLU1Kd2Nfojc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":32,"type":33},[],"2024-12-28 15:51:13",174728240,[8,9,10,11],"1\u002F2","20.6﹪","5\u002F6","66.7﹪",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},61,"6bfd3fd8ac8874546e3bbc92005cd0b0","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc72bb96a7164d6ff67f1e6f3fadd4456.jpg","遗传学","work_39685923","遗传学第二次作业","如果干涉为33.3﹪,观察到的双交换值与预测的双交换值的比例应为( )",[21,34,44,54,64,74,77,86,95,105],{"answer":22,"createTime":23,"id":24,"options":25,"question":31,"source":32,"type":33},[],"2024-12-28 15:51:12",174728220,[26,27,28,29,30],"25图距单位","55图距单位","45图距单位","25图距单位或55图距单位","无法确定","如果AB之间是15个图距,BC之间为40个图距,则AC之间的图距为( )","v1",0,{"answer":35,"createTime":23,"id":36,"options":37,"question":43,"source":32,"type":33},[],174728224,[38,39,40,41,42],"2, 2","2, 4","4, 2","4, 4","8, 4","发生交叉配对的二价体含有( )条染色单体,发生交换的是( )条染色单体",{"answer":45,"createTime":23,"id":46,"options":47,"question":53,"source":32,"type":33},[],174728229,[48,49,50,51,52],"ABCD","ACBD","BDAC","DACB","DCAB","四个连锁基因两两配对的距离如下:A-B=1 m.u B-C=22 m.u C-D=8 m.u A-D=29 m.u B-D=30 m.u A-C=21 m.u.请问四个基因之间的顺序是什么?( )",{"answer":55,"createTime":23,"id":56,"options":57,"question":63,"source":32,"type":33},[],174728234,[58,59,60,61,62],"A","B","C","基因是连锁的,顺序无法确定","基因没有连锁","假如做一个A、B和C三个基因的三点测交,如果最多的组别是CaB and cAb,最少的组别是cab和CAB,那个基因在中间?( )",{"answer":65,"createTime":5,"id":66,"options":67,"question":73,"source":32,"type":33},[],174728236,[68,69,70,71,72],"3","6","30","80","100","在果蝇中,A、B和C基因是连锁的,且按ABC顺序排列,A-B=5 m.u,B-C=15 m.u.这段间隔有20﹪的干扰.在三点测交的500个后代中ABC基因发生双交换的有( )",{"answer":75,"createTime":5,"id":6,"options":76,"question":19,"source":32,"type":33},[],[8,9,10,11],{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":32,"type":33},[],174728245,[81,82,83,84],"2﹪","1﹪","4﹪","难以确定","已知a与b的图距为20单位,从杂交后代测得的重组值为18﹪,说明其间的双交换值为( )",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":32,"type":33},[],174728250,[90,91,92,93],"染色体数目减半","染色体数目增加","染色体发生易位","染色体发生重复","秋水仙素能使多种植物的( )",{"answer":96,"createTime":5,"id":97,"options":98,"question":104,"source":32,"type":33},[],174728253,[99,100,101,102,103],"倒位","替换","缺失","以上全是","以上全非","下面会导致突变的有( )",{"answer":106,"createTime":5,"id":107,"options":108,"question":112,"source":32,"type":33},[],174728255,[99,101,109,110,111],"重复","易位","转座","那种染色体结构变化会导致半不孕( )"]