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某植物花的颜色由两对非等位基因a调控a基因控制色素的合成a出现色素aa和aa的效应相同b为修饰基因淡化颜色的深度b修饰效应 Template






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tomski某植物花的颜色由两对非等位基因a调控a基因控制色素的合成a出现色素aa和aa的效应相同b为修饰基因淡化颜色的深度b修饰效应 coloring
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题目某自花受粉的植物的花色由2对等位基因A和aB和b控制两对基因独立遗传A对a是显性B对b是显性且A基因存在时B基因不表达 sketch template
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某植物花的颜色由两对非等位基因A调控．A基因控制色素合成A出现色素AA和Aa的效应相同B为修饰基因淡化颜色的深度B修饰效应出现 sketch template
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某植物花的颜色由两对非等位基因A控制A基因控制色素合成A出现色素AA和Aa的效应相同B为修饰基因淡化颜色的深度B修饰效应出现 sketch template
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题目如图表示某一两性花植物花色形成的遗传机理该植物的花瓣有白色紫色红色粉红色四种图中字母表示控制对应过程所需的基因非等位基因间 sketch template
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某植物花的颜色由两对非等位基因A调控A基因控制色素的合成A出现色素AA和Aa的效应相同B为修饰基因淡化颜色的深度B修饰效应 sketch template
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某植物的花色由两对等位基因控制现纯合蓝色品种和纯合红色品种杂交，F1为蓝色，且自交F2为9蓝：6紫：1红 百度知道 sketch template
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某自然种群的雌雄异株植物为XY型性别决定该植物的花色是由常染色体上的两对独立遗传的等位基因控制叶形由另一对等位基因控制请据图回答．注图 sketch template
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题目某双子叶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A A和B b控制现有三组杂交实验杂交实验1紫花× sketch template
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某雌雄同株植物花的颜色由两对基因控制．其基因型与表现型的对应关系见下表请回答下列问题．基因组合A BbA BB或aa 花的颜色粉色 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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某种植物的花色由两对独立遗传的等位基因Aa和Bb控制基因A控制红色素合成基因B为修饰基因BB使红色素完全消失Bb使红色素颜色淡化 sketch template
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某植物花的颜色由两对非等位基因A控制A基因控制色素合成A出现色素AA和Aa的效应相同B为修饰基因淡化颜色的深度B修饰效应出现 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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某植物花色由一对等位基因A控制受另一对基因B/b的影响两对基因独立遗传现用该种植物3个基因型不同的纯合白色品种甲乙丙分别与纯合红色 sketch template
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某植物的花的颜色有红色和白色其红花的颜色深浅由三对等位基因控制显性基因有加深红色的作用且作用效果相同具有累积效应完全隐性的各题开白花 sketch template
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某植物花的颜色由两对非等位基因A调控A基因控制色素的合成A出现 色素AA和Aa的效应相同B为修饰基因淡化颜色的深度B修饰效应 sketch template
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某种植物花的颜色由两对基因控制A基因控制色素合成B基因为修饰基因淡化颜色的深度其基因型与表现型的对应关系见下表请回答下列问题基因 sketch template
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某雌雄同株植物花的颜色由两对基因控制A基因控制色素合成A出现色素AA和Aa的效应相同B为修饰基因淡化颜色的深度B修饰效应出现 sketch template
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某雌雄同株异花的二倍体植物的花色受两对等位基因控制两对等位基因位于细胞核中的染色体上且独立遗传花色色素合成的途径如图所示下列说法错误的 sketch template
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某雌雄异株植物为XY型性别决定该植物有蓝花和紫花两神表现型由两对等位基因A和aB和b共同控制已知其紫色素形成的生物化学途径如下图所示 sketch template
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某种植物花的颜色由两对基因控制A基因控制色素合成B基因为修饰基因淡化颜色的深度其基因型与表现型的对应关系见下表请回答下列问题 基因 sketch template
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某植物体有三对等位基因它们独立遗传并共同决定此植物的高度当有显性基因存在时每增加一个显性基因该植物会在基本高度2 Cm的基础上再增加2 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某植物花的颜色由两对非等位基因Aa和Bb调控A基因控制色素合成A出现色素AA和Aa的效应相同B为修饰基因淡化颜色 sketch template
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基因A A和N N分别控制某种植物的花色和花瓣形状这两对基因独立遗传其基因型和表现型的关系如下表一亲本与白色宽花瓣植株杂交得到F1对 sketch template
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某种植物花的颜色由两对基因控制A基因控制色素合成B基因为修饰基因淡化颜色的深度其基因型与表现型的对应关系见下表请回答下列问题 基因 sketch template
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某植物花的颜色由两对非等位基因A调控．A基因控制色素合成A出现色素AA和Aa的效应相同B为修饰基因淡化颜色的深度B修饰效应出现 sketch template
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某植物花的颜色由两对非等位基因A控制A基因控制色素合成A出现色素AA和Aa的效应相同B为修饰基因淡化颜色的深度B修饰效应出现 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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52．请回答下列有关遗传的问题 I．某植物的花色由两对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 sketch template
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某种植物的花色有白色红色和紫色由A和aB和b两对等位基因控制有人提出基因对花色性状控制的两种假说如图所示请分析回答下面的问题．1 sketch template
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某植物花的颜色由两对非等位基因A控制A基因控制色素合成A出现色素AA和Aa的效应相同B为修饰基因淡化颜色的深度B修饰效应出现 sketch template
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某植物花的颜色由两对非等位基因A控制A基因控制色素合成A出现色素AA和Aa的效应相同B为修饰基因淡化颜色的深度B修饰效应出现 sketch template
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某种植物花的颜色由两对基因控制A基因控制色素合成B基因为修饰基因淡化颜色的深度．其基因型与表现型的对应关系见下表回答下列问题基因组合 sketch template
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17某两性花二倍体植物的花色由3对等位基因控制，其中基因A控制紫色，a无控制色素合成的功能。基因B控制红色，b控制蓝色。基因I不影响上述2对 sketch template