[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fJcLc7lHhCWlno3Uc98IVHmdVVWjXV4ZK2kLJ7gzgots":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":13,"related":14,"source":20,"type":21},[],"2025-12-26 08:23:33",1074193636,[8,9],"对","错",{"courseImg":11,"courseName":12},"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F92941c4249f6109911a81c28132e3b25.jpeg","遗传学（云南农业大学）","质量性状是由主基因控制的,变异表现呈非连续性,而数量性状则由微效多基因控制,变异呈连续性.( )",[15,22,27,37,46,49,58,63,68,78],{"answer":16,"createTime":5,"id":17,"options":18,"question":19,"source":20,"type":21},[],1074193608,[8,9],"具有明显容易识别表型变异的基因突变称为微突变.( )","v2",3,{"answer":23,"createTime":5,"id":24,"options":25,"question":26,"source":20,"type":21},[],1074193613,[8,9],"异配生殖常见于高等动、植物生殖过程.( )",{"answer":28,"createTime":5,"id":29,"options":30,"question":35,"source":20,"type":36},[],1074193615,[31,32,33,34],"F+因子","F- 因子","Hfr因子","F'因子","F因子上携带了少数的细菌染色体DNA,将这样的F因子称为( )",0,{"answer":38,"createTime":5,"id":39,"options":40,"question":45,"source":20,"type":36},[],1074193633,[41,42,43,44],"缺失","插入","颠换","转换","已知DNA 的碱基序列为CATCATCAT,什么类型的突变可使其突变为CTCATCAT.( )",{"answer":47,"createTime":5,"id":6,"options":48,"question":13,"source":20,"type":21},[],[8,9],{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":20,"type":36},[],1074193672,[53,54,55,56],"自交","回交","测交","随机交配","A品种产量性状较好,但抗病性差,为了增加此品种的抗病性,将A品种与一抗病品种杂交(已知抗病为显性),育种上使用何种方法使获得的新品种既有抗病性又有A品种的丰产性.( )",{"answer":59,"createTime":5,"id":60,"options":61,"question":62,"source":20,"type":21},[],1074193702,[8,9],"开花是高等植物发育的重要时期,这一过程由外界环境信号比如光照和温度,和内源信号也就是一些特异基因的表达共同决定.( )",{"answer":64,"createTime":5,"id":65,"options":66,"question":67,"source":20,"type":21},[],1074193718,[8,9],"一个植物体的全部细胞,都是从受精卵经过有丝分裂产生的.因此,植物体内的每一个体细胞也都具有和受精卵完全一样的遗传信息.( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":20,"type":77},[],1074193723,[72,73,74,75],"单倍配子体无融合生殖","二倍配子体无融合生殖","不定胚","单性结实","无融合生殖按照种子形成途径可分为( )",1,{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":20,"type":77},[],1074193801,[82,83,84,85],"单交种","双交种","三交种","综合种","选育杂交种利用杂种优势时,不遗传基础广泛且F2及其后代的杂种优势衰退明显的是 ( )"]