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下图所示为农作物新品种的育种方式： 上述育种与传统杂交育种相比（），具有的突出优点是（）。
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下图所示为农作物新品种的育种方式 上述育种与传统杂交育种相比具有的突出优点是
下图所示为农作物新品种的育种方式1图示育种方式涉及到的生物工程技术有________________
传统的农作物育种途径往往是通过杂交获得随着生物工程技术的不断发展新品种的培育途径逐渐被拓宽目前培育农
传统的农作物育种途径往往是通过杂交获得随着生物工程技术的不断发展新品种的培育途径逐渐被拓宽目前培育农
下图所示为农作物新品种的育种方式 图示育种方式涉及的生物工程技术有
传统的农作物育种途径往往是通过杂交获得随着生物工程技术的不断发展新品种的培育途径逐渐被拓宽目前培育农
传统农作物育种途径往往是通过杂交获得随着生物工程技术的不断发展新品种的培育途径逐渐被扩宽目前至少有7
能克服远缘杂交障碍培育农作物新品种的技术是
基因工程
组织培养
诱变育种
杂交育种
传统农作物育种途径往往是通过杂交获得随着生物工程技术的不断发展新品种的培育途径逐渐被扩宽目前至少有7
多选与传统的杂交育种和诱变育种相比通过基因工程和细胞工程等现代生物技术培育农作物新品种的优越性在于
克服远源杂交的生殖隔离
对农作物进行定向改良
育种周期较短
不存在生态和进化安全性问题
下列有关育种的说法正确的是
通过杂交育种可获得农作物新品种
诱变育种只适用于对微生物菌株的选育
无子番茄通常是用多倍体育种方式获得
通过基因工程育种可获得抗逆性强的新品种
与传统的杂交育种和诱变育种相比下列不属于通过基因工程和细胞工程等现代生物技术培育农作物新品种的优越性
克服远缘杂交的生殖隔离
对农作物进行定向改良
育种周期较短
不存在生态和进化安全性问题
传统农作物育种途径往往是通过杂交获得随着生物工程技术的不断发展新品种的培育途径逐渐被扩宽目前至少有7
能克服远缘杂交障碍培育农作物新品种的技术是
基因工程
组织培养
诱变育种
杂交育种
传统农作物育种途径往往是通过杂交获得随着生物工程技术的不断发展新品种的培育途径逐渐被扩宽目前至少有7
传统农作物育种途径往往是通过杂交获得随着生物工程技术的不断发展新品种的培育途径逐渐被扩宽目前至少有7
传统的农作物育种途径往往是通过杂交获得随着生物工程技术的不断发展新品种的培育途径逐渐被拓宽目前培育农
下列有关育种的说法中正确的是
通过杂交育种可获得农作物新品种
诱变育种只适用于对微生物菌株的选育
抗虫棉是用多倍体育种方式获得的
基因工程育种无法获得抗逆性强的新品种
下图表示用农作物品种①和②两个品系培育出新品种⑥的可能方法Ⅰ～Ⅴ表示培育过程请回答过程ⅠⅤ培育出新品
如下图所示为农作物新品种的育种方式相关叙述错误的是
②③过程分别称为脱分化和再分化
①过程代表植物体细胞杂交
⑤过程中常用的载体是质粒
图中育种方式突出优点是克服了远 缘杂交不亲和的障碍
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古希腊著名的毕达哥拉斯学派把13610这样的数称为三角形数而把14916这样的数称为正方形数．从下图中可以发现任何一个大于1的正方形数都可以看作两个相邻三角形数之和．下列等式中符合这一规律的是．
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