[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fxMtjUiVSkkm4lz5YDpdUpdO9rpV0nuzicCfPXnYg854":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2025-12-18 11:28:28",271830047,[8,9,10,11],"使染色体再次复制","使染色体着丝点不分裂","抑制纺锤体的形成","使细胞稳定在间期阶段",{"courseId":13,"courseImg":14,"courseName":15},"620a428570b180b6c442d12f8a475eb2","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbb062ff6068e05b64e1dc4486da29b2a.jpg","A151\t林木育种学\t218489759","用秋水仙素处理幼苗可诱导形成多倍体植物,秋水仙素的作用是()",[18,29,38,47,56,65,74,83,92,95],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],271830039,[22,23,24,25],"2n=2x=32","2n=4x=32","4n=4x=32","4n=2x=32","二倍体金鱼草染色体为2n=2x=16,加倍后的金鱼草染色体是","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],271830040,[33,34,35,36],"基因重组与基因积累","基因积累与基因互作","基因重组与基因互作","基因积累与基因连锁","组合育种利用的遗传学原理是()",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":27,"type":28},[],271830041,[42,43,44,45],"表现型值","基因型值","环境作用","互作偏差效应值","表型方差分析的数学模型P=G+E+IGE中,G代表()",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":27,"type":28},[],271830042,[51,52,53,54],"尿嘧啶","胸腺嘧啶","胞嘧啶","腺嘌呤","下列哪种碱基不会出现在RNA中",{"answer":57,"createTime":5,"id":58,"options":59,"question":64,"source":27,"type":28},[],271830043,[60,61,62,63],"自花授粉作物","异花授粉作物","无性繁殖作物","以上三种都是","需要通过选育自交系,配制自交系间杂交种利用杂种优势的是()",{"answer":66,"createTime":5,"id":67,"options":68,"question":73,"source":27,"type":28},[],271830044,[69,70,71,72],"亲型配子少,重组配子多","亲型配子多,重组配子少","亲型和重组配子各占一半","全是亲型配子","在连锁区段内的交换,即交换发生在两个连锁基因间,产生的配子()",{"answer":75,"createTime":5,"id":76,"options":77,"question":82,"source":27,"type":28},[],271830045,[78,79,80,81],"利用基因重组的原理","定向改变生物性状","产生的突变大多是有利的","能提高突变率以供育种选择","育种专家采用诱变育种的方法改良某些农作物的原有性状,其原因是诱变育种()",{"answer":84,"createTime":5,"id":85,"options":86,"question":91,"source":27,"type":28},[],271830046,[87,88,89,90],"系谱法和混合法","混合法和衍生系统法","衍生系统法和单籽传法","单籽传法和系谱法","在杂交育种中,杂交后代最常用的处理方法是",{"answer":93,"createTime":5,"id":6,"options":94,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":27,"type":28},[],271830048,[99,100,101,102],"AFLP","SSR","RAPD","SNP","下列分子标记中被称为第三代分子标记的是()"]