• Sketchite
Sketchite

3．下列关于育种原理的叙述正确的是 A．培养无子西瓜所依据的原理是染色体变异b．太空椒和抗虫棉的育种原理相同c．把两个小麦优良性状结合在一 Template






Link:
sketch 3567 Worried Girl by Juvenilia Alexandrino
sketch 4595 Hell Boy by Cristina Love
sketch 4867 Johnny Depp Ronin Ronin
sketch 3517 Scratch from Ice Age by VlAd Craciun
sketch 3439 Aralé by Malyi Link
sketch 921 comics ufo
sketch 2844 Geist Ines Galeana
sketch 3298

You need a modern browser try chrome, to view this.
Background image: Hide Show

View Larger Image Image Credit: 1010jiajiao.com

sketch 4287 eye
sketch 3581 Dante
sketch 654
sketch 4995
sketch 270
sketch 4549
sketch 5197 Rihanna by Ben Hall
sketch 4349 Cícero Николай Герасимов





Try and sketch some of theseDentist, Bow and arrow, Lounge, Kaleidoscope, Tea party, Bikini, Grapes, Bees, Flower bulb, Panties, view more ideas


please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?
view like
sketch #5205
anonymous
anonymous
sketch #5205

view like
sketch #3166 Axl Rose by Jessie Lightwood
anonymous
anonymous
sketch #3166 Axl Rose by Jessie Lightwood

view like
sketch #3296
anonymous
anonymous
sketch #3296

view like
sketch #5093 Pedro Henrique Jordan Coquet
anonymous
anonymous
sketch #5093 Pedro Henrique Jordan Coquet

view like
sketch #5217
anonymous
anonymous
sketch #5217

view like
sketch #1669
anonymous
anonymous
sketch #1669

view like
sketch #1289 peace within
anonymous
anonymous
sketch #1289 peace within

view like
sketch #3693 Lucy from Elfen Lied by Simona Honigmelone
anonymous
anonymous
sketch #3693 Lucy from Elfen Lied by Simona Honigmelone

view like
sketch #5191 The View by Vicente Vera
anonymous
anonymous
sketch #5191 The View by Vicente Vera

view like
sketch #2117
anonymous
anonymous
sketch #2117

view like
sketch #5095 Lion by Frederic Knauer
anonymous
anonymous
sketch #5095 Lion by Frederic Knauer

view like
sketch #970 Depression
anonymous
anonymous
sketch #970 Depression

view like
sketch #5306 Katarina by Mirnes Sinanovic
anonymous
anonymous
sketch #5306 Katarina by Mirnes Sinanovic

view like
sketch #90 JF Style!
Jaroslav Florian
sketch #90 JF Style!

view like
sketch #3076 Angel by Burak Turan
anonymous
anonymous
sketch #3076 Angel by Burak Turan

view like
sketch #5084 Harry Potter by Enrique L. Manly
anonymous
anonymous
sketch #5084 Harry Potter by Enrique L. Manly

view like
sketch #949 jbj
anonymous
anonymous
sketch #949 jbj

view like
sketch #2027
anonymous
anonymous
sketch #2027

view like
sketch #5215
anonymous
anonymous
sketch #5215

view like
sketch #2784
John Davis
sketch #2784

view like
sketch #5436
anonymous
anonymous
sketch #5436

view like
sketch #3732 Michael Jackson by David Obando
anonymous
anonymous
sketch #3732 Michael Jackson by David Obando

view like
sketch #3337 Uryuu Minene by Michael Angcay
anonymous
anonymous
sketch #3337 Uryuu Minene by Michael Angcay

view like
sketch #3473 Finn by Luana Santos
anonymous
anonymous
sketch #3473 Finn by Luana Santos

view like
sketch #4900 Moonlight by Abdelwahab Haik
anonymous
anonymous
sketch #4900 Moonlight by Abdelwahab Haik

view like
sketch #2849 dj
Nina Mercedez
sketch #2849 dj

view like
sketch #2082 mash
anonymous
anonymous
sketch #2082 mash

view like
sketch #3250 Lonely cat Lars Tunebo
anonymous
anonymous
sketch #3250 Lonely cat Lars Tunebo

view like
sketch #1446
anonymous
anonymous
sketch #1446

view like
sketch #4881
anonymous
anonymous
sketch #4881

tomski3．下列关于育种原理的叙述正确的是 a．培养无子西瓜所依据的原理是染色体变异b．太空椒和抗虫棉的育种原理相同c．把两个小麦优良性状结合在一 coloring
view template
下列关于育种的叙述中正确的是 A．用物理因素诱变处理可提高突变率B．诱变育种和杂交育种均可形成新的基因C．三倍体植物不能由受精卵育而来 sketch template
view template
3．下列关于育种原理的叙述正确的是 A．培养无子西瓜所依据的原理是染色体变异B．太空椒和抗虫棉的育种原理相同C．把两个小麦优良性状结合在一 sketch template
view template
下列育种方法中利用了基因重组原理的是 A．杂交育种B．基因工程育种C．太空育种D．单倍体育种 题目和参考答案——青夏教育精英家教—— sketch template
view template
5．下列育种工作过程中不使用植物组织培养技术的是 A．制造人工种子 B．单倍体育种 C．微型繁殖 D．运用秋水仙素处理萌的种子——青夏教育 sketch template
view template
下列关于育种的相关叙述正确的是 A．杂交育种过程都需要经过杂交选择和纯化等手段B．诱变育种的原理是基因突变杂交育种原理是基因重组C sketch template
view template
下列关于育种的说法中正确的是 A． 基因突变可生在任何生物DNA复制过程中此现象可用于诱变育种 B． 诱变育种和杂交育种均可产生新 sketch template
view template
下列关于育种的说法中正确的是 A． 基因突变可生在任何生物DNA复制过程中此现象可用于诱变育种 B． 诱变育种和杂交育种均可产生新 sketch template
view template
湖北省沙市中学2017 2018学年高二上学期期中考试生物试题 Word版含答案 Word文档在线阅读与下载 免费文档 sketch template
view template
某农所通过如图育种过程培育成了高品质的糯小麦下列相关叙述正确的是A．该育种过程中运用的遗传学原理是基因突变B．a过程能提高突变率从而 sketch template
view template
某农所通过如右图所示的育种过程培育成了高品质的糯小麦下列有关叙述正确的是 A．该育种过程中运用的遗传学原理是基因突变 B A 过程提高 sketch template
view template
某农所通过如图育种过程培育成了高品质的糯小麦下列相关叙述正确的是A．该育种过程中运用的遗传学原理是基因突变B．a过程能提高突变率从而 sketch template
view template
5．图示由两个水稻品种分别培育出三个品种的过程下列叙述正确的是 A．步骤Ⅲ中通常使用花药离体培养法 B 步骤Ⅳ中通常用物理或化学 sketch template
view template
下列关于育种的说法中正确的是 A． 基因突变可生在任何生物DNA复制过程中此现象可用于诱变育种 B． 诱变育种和杂交育种均可产生新 sketch template
view template
作物育种技术是遗传学研究的重要内容之一下列关于作物育种的叙述正确的是 A．袁隆平培育的高产抗逆性强的杂交水稻是基因突变的结果 B sketch template
view template
某农所通过如图育种过程培育成了高品质的糯小麦下列相关叙述正确的是A．该育种过程中运用的遗传学原理是基因突变B．a过程能提高突变率从而 sketch template
view template
某农所通过右图所示的育种过程培育成了高品质的糯小麦下列有关叙述正确的是A．a过程中运用的遗传学原理是基因重组B．a过程需要用秋水仙素处理 sketch template
view template
某农所通过如图所示的育种过程培育成了高品质的糯小麦下列有关叙述正确的是 A．a过程中运用的遗传学原理是基因重组B．b过程能提高突变率 sketch template
view template
下列关于育种的说法中正确的是 A． 基因突变可生在任何生物DNA复制过程中此现象可用于诱变育种 B． 诱变育种和杂交育种均可产生新 sketch template
view template
某农所通过如图育种过程培育成了高品质的糯小麦下列相关叙述正确的是 A． 该育种过程中运用的遗传学原理是基因突变 B． 四倍体 sketch template
view template
下列育种方式中培育原理相同的一组是A．矮秆抗病杂交水稻和八倍体小安B．“农五号大豆 和太空椒C．无子西瓜和无子番茄D．高产青霉菌和抗虫棉 sketch template
view template
农所通过如图育种过程培育出了高品质的糯小麦下列相关叙述中正确的是A．该育种过程中运用的遗传学原理是基因突变B．要获得yyRRb过程需要 sketch template
view template
下列关于纯合子和杂合子的叙述正确的一项是 A．纯合子的自交后代是纯合子 B．杂合子的自交后代是杂合子 C．纯合子中不含隐性基因 D．杂合子的 sketch template
view template
下列关于植物组织培养的叙述中正确的是 A．培养基中添加蔗糖的目的是提供营养和调节渗透压B．离体器官或组织细胞都须在光下才能形成愈伤组织 sketch template
view template
题目下列关于达尔文自然选择学说的叙述正确的是A．自然选择所保留的变异对人类都是有利的B．“生存 的“适者 对人类都是有益的C．在自然 sketch template
view template
如作物和两个品种为基础培育出四个品种的过程．根据下图回答下列问题1由图中Ⅰ→Ⅱ获得称为 育种其育种原理是 sketch template
view template
下列育种方法中可以改变原有基因型组合的育种方法的是 A杂交育种 B诱变育种 C单倍体育种 D多倍体育种——青夏教育精英家教—— sketch template
view template
下列关于生物工程中常见的几种酶的叙述正确的是 A．DNA连接酶可把目的基因与载体的黏性末端的碱基黏合形成重组DNAB．限制性核酸内切酶 sketch template
view template
某农所通过如图所示的育种过程培育成了高品质的糯小麦下列有关叙述正确的是 A．a过程中运用的遗传学原理是基因重组B．b过程能提高突变率 sketch template
view template
下图中甲乙表示水稻两个品种Aa和Bb分别表示位于两对同源染色体上的两对等位基因 表示培育水稻新品种的过程下列叙述不正确的是 sketch template
view template
下列关于育种的相关叙述正确的是 A．杂交育种过程都需要经过杂交选择和纯化等手段B．诱变育种的原理是基因突变杂交育种原理是基因重组C sketch template
view template
下列有关细胞的物质组成结构和功能的叙述正确的是 A．正常生理状态下溶酶体对机体自身的细胞结构无分解作用B．相同质量的糖类和脂肪产能不同 sketch template
view template
下图为人体某细胞所经历的生长育各个阶段示意图图中 为不同的细胞a c表示细胞所进行的生理过程据图分析下列叙述正确的是 A sketch template
view template
下列关于生物学史有关实验的叙述正确的是 A．温特用实验证实了植物具有光性B．斯他林和贝利斯证明了促胰液素是通过激素调节产生的C．高斯 sketch template
view template
某农所通过如图育种过程培育成了高品质的糯小麦下列相关叙述正确的是 A． 该育种过程中运用的遗传学原理是基因突变 B． 四倍体 sketch template
view template
下列关于细胞膜的叙述不正确的是 A．细胞膜的结构特点对它完成各种生理功能非常重要 B．细胞膜表面的糖蛋白具有识别功能 C．细胞膜与细胞 sketch template