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某植物的紫花和白花这一对性状受两对等位基因控制如图所示其单倍体植株开花不结实．1如图说明基因可以通过控制酶的合成来控制代谢过程进而 Template






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tomski某植物的紫花和白花这一对性状受两对等位基因控制如图所示其单倍体植株开花不结实．1如图说明基因可以通过控制酶的合成来控制代谢过程进而 coloring
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题目某植物的紫花对白花是一对相对性状由基因A和aB和b共同控制过程如图下列说法正确的是 A该图体现了基因控制蛋白质的合成来 sketch template
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题目某植物花色受两对基因A A和Bb控制基因控制性状的途径如下图一紫花植株自交后代出现了白花红花和紫花植株下列分析正确的 sketch template
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某植物的花色有紫色红色和白色三种类型该性状是由两对独立遗传的等位基因决定的且只有在两种显性基因同时存在时才能开紫花．表为该植物纯合亲本间 sketch template
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如图是豌豆花色的遗传图解请据图分析回答问题l 豌豆的紫花和白花这一对性状在遗传学上称为相对性状相对性状图中豌豆的亲代没有白花而后代 sketch template
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大豆的白花和紫花是一对相对性状下列四组杂交实验中能判断出显性和隐性关系的是 紫花×紫花→紫花紫花×紫花→301紫花 101白花 sketch template
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某双子叶植物的花色有紫色红色和白色三种类型现有三组杂交试验杂交试验1紫花×白花杂交实验2紫花×白花杂交实验3红花×白花 三组 sketch template
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题目某种植物的表现型有高茎矮茎紫花和白花其中紫花和白花这对相对性状由两对等位基因控制这两对等位基因中任意一对为隐性纯合则表现为白花 sketch template
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题目某植物的紫花对白花是一对相对性状由基因A和aB和b共同控制过程如图下列说法正确的是 A该图体现了基因控制蛋白质的合成来 sketch template
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甜豌豆的紫花对白花是一对相对性状由非同源染色体上的两对基因共同控制只有当同时存在两个显性基因时花中的紫色素才能合成下列有关叙述中正确的 sketch template
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某植物的花色有两对自由组合的基因决定显性基因A和B同时存在时植株开紫花其他情况开白花请回答开紫花植株的基因型有 种其中基因型是 的 sketch template
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29某种植物的表现型有高茎和矮茎紫花和白花其中紫花和白花这对相对性状由两对等位基因控制这两对等位基因中任意一对为隐性纯合则表现为白花用 sketch template
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豌豆的紫花和白花是一对相对性状这对相对性状由等位基因Aa控制．如表是豌豆花色的三个组合的遗传实验结果．请分析回答组合亲本表现型F1的表现 sketch template
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某植物的花色有紫色红色和白色三种类型该性状是由两对独立遗传的等位基因决定的且只有在两种显性基因同时存在时才能开紫花．表为该植物纯合亲本间 sketch template
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某种开花植物细胞中基因P分别位于两对同源染色体上将纯合的紫花植珠与纯合的红花植株杂交F1全开紫花自交后代F2中紫花∶红花∶白花＝12∶ sketch template
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甜豌豆的紫花对白花是一对相对性状由两对等位基因共同控制其显性基因决定花色的过程如图2所示下列根据此图的叙述不正确的是 A．紫花植株必须 sketch template
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甜豌豆的紫花对白花是一对相对性状由两对等位基因共同控制其显性基因决定花色的过程如图2所示下列根据此图的叙述不正确的是 A．紫花植株必须 sketch template
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一对相对性状可受多对等位基因控制如某植物花的紫色这对相对性状就受多对等位基因控制学家已从该种植物的一个紫花品系中选育出了5个基因型不同 sketch template
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一对相对性状可受多对等位基因控制如某植物花的紫色显性和白色隐性这对相对性状就受多对等位基因控制学家已从该种植物的一个紫花品系中 sketch template
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题目某植物的花色有蓝花和白花两种由两对等位基因控制下表是两组纯合植株杂交实验的统计结果有关分析不正确的是A．控制花色的这两对等位基因 sketch template
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一对相对性状可受多对等位基因控制如某植物花的紫色显性和白色隐性这对相对性状就受多对等位基因控制学家已从该种植物的一个紫花品系中 sketch template
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麝香豌豆花的颜色有紫花和白花受两对等位基因控制关系如下如果开白花与开紫花的植株杂交产生的后代有38开紫花58开白花其亲本的基因型是 sketch template
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某植物的紫花和白花这一对性状受两对等位基因控制如图所示其单倍体植株开花不结实．1如图说明基因可以通过控制酶的合成来控制代谢过程进而 sketch template
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27． 香豌豆的紫花和白花是一 对相对性状由两对等位基 因Aa和Bb共同控制 其基因决定花色过程如图所 示根据本图解回答问题 若不 sketch template
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教材中孟德尔研究的黄绿和圆皱两对相对性状的杂交遗传实验叙述错误的是 A．每一对相对性状的遗传都遵循基因的分离定律 B．每一对相对性状在子二代 sketch template
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豌豆是研究植物性状遗传的常用实验材料现将两株紫花豌豆作为亲本进行杂交收集种子种植下去观察子代豌豆的花色并统计数据请分析作答1豌豆 sketch template
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某植物的红花与白花受一对等位基因控制．某学生用杂种红花植株自交获得F1用F1中的所有红花个体自交产生F2．从理论上分析下列说法正确的是 sketch template
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某种野生植物有紫花和白花两种表现型已知紫花形成的生物化学途径是 A和aB和b是分别位于两对染色体上的等位基因A对aB对b为显性基因 sketch template
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已知某植物的花色有红色、粉红色和白色三种，受S、s和T、t两对等位基因控制，S基因控制红色素的合成，基因型为SS和Ss的个体均开红花；T基因是 sketch template
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某雌雄异株植物的紫花与白花宽叶与窄叶是两对相对性状．将紫花宽叶雌株与白花窄叶雄株杂交F1无论雌雄全部为紫花宽叶F1雌雄植株相互杂交后 sketch template
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某雌雄异株的植物白花与红花这对相对性状由常染色体上一对等位基因控制窄叶与宽叶这对相对性状由X染色体上基因控制研究表明含XB或Xb的雌雄 sketch template
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题目某植物的花色由一对等位基因控制杂交实验及结果如下图所示相关说法错误的是A 根据过程的结果白花为显性性状B F1和F2中的 sketch template
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甜豌豆的紫花对白花是一对相对性状由两对等位基因共同控制其显性基因决定花色的过程如图2所示下列根据此图的叙述不正确的是 A．紫花植株必须 sketch template
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某植物的花色由两对等位基因控制且两对等位基因独立遗传纯合的蓝色品种与纯合的紫色品种杂交F1为蓝色F1自交F2为1紫∶6红∶9蓝若将 sketch template
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题目已知某植物的花色有红色粉红色和白色三种受Ss和Tt两对等位基因控制S基因控制红色素的合成基因型为SS和Ss的个体均开红花 sketch template
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题目某植物的花色受不连锁的两对基因A／aB／b控制这两对基因与花色的关系如图所示此外a基因对于B基因的表达有制作用现将基因型为 sketch template