[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fmq84VxJ6y2ixK0PssHFsRexv1YT6BvDObQfUuG8iQxQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":28,"type":116},[],"2024-12-30 09:23:33",175110317,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},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","在血型遗传中,现把双亲的基因型写出来,问他们子女的基因型应该如何?1)IAi×IBi 2)IAIB×IBi 3)IBi×IBi",[17,30,40,50,60,71,80,89,98,108],{"answer":18,"createTime":19,"id":20,"options":21,"question":27,"source":28,"type":29},[],"2024-12-28 15:51:12",174728220,[22,23,24,25,26],"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":31,"createTime":19,"id":32,"options":33,"question":39,"source":28,"type":29},[],174728224,[34,35,36,37,38],"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":41,"createTime":19,"id":42,"options":43,"question":49,"source":28,"type":29},[],174728229,[44,45,46,47,48],"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":51,"createTime":19,"id":52,"options":53,"question":59,"source":28,"type":29},[],174728234,[54,55,56,57,58],"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":61,"createTime":62,"id":63,"options":64,"question":70,"source":28,"type":29},[],"2024-12-28 15:51:13",174728236,[65,66,67,68,69],"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":72,"createTime":62,"id":73,"options":74,"question":79,"source":28,"type":29},[],174728240,[75,76,77,78],"1\u002F2","20.6﹪","5\u002F6","66.7﹪","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( )",{"answer":81,"createTime":62,"id":82,"options":83,"question":88,"source":28,"type":29},[],174728245,[84,85,86,87],"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":90,"createTime":62,"id":91,"options":92,"question":97,"source":28,"type":29},[],174728250,[93,94,95,96],"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":99,"createTime":62,"id":100,"options":101,"question":107,"source":28,"type":29},[],174728253,[102,103,104,105,106],"倒位","替换","缺失","以上全是","以上全非","下面会导致突变的有( )",{"answer":109,"createTime":62,"id":110,"options":111,"question":115,"source":28,"type":29},[],174728255,[102,104,112,113,114],"重复","易位","转座","那种染色体结构变化会导致半不孕( )",7]