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豌豆的腋生花对顶生花为显性以纯合的腋生花豌豆与顶生花豌豆杂交得f1以f1自交得f2理论上说由这批种子�育而成的植株开花情况是 a．3 Template






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tomski豌豆的腋生花对顶生花为显性以纯合的腋生花豌豆与顶生花豌豆杂交得f1以f1自交得f2理论上说由这批种子�育而成的植株开花情况是 a．3 coloring
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7．为研究豌豆的高茎与矮茎和花的顶生与腋生性状的遗传规律设计了两组纯种豌豆杂交的实验根据图示不能得出的结论是 A．豌豆茎的高度由细胞核基因 sketch template
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题目已知豌豆花的位置有腋生和顶生不同豌豆杂交结果如下表据表回答1豌豆花位置的腋生和顶生在遗传学上称为一对 它们由DNA上的 sketch template
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题目下图是豌豆杂交实验的过程示意图花的位置腋生与顶生是一对相对性状受基因Bb控制请回答下列问题1操作分别是 2 sketch template
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7．为研究豌豆的高茎与矮茎和花的顶生与腋生性状的遗传规律设计了两组纯种豌豆杂交的实验根据图示不能得出的结论是 A．豌豆茎的高度由细胞核基因 sketch template
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豌豆花的腋生和顶生是一对相对性状受一对等位基因Bb控制下表是豌豆的三组杂交实验结果．请分析回答杂交组合亲本表现型子代腋生花顶生花一腋生 sketch template
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下图是豌豆花色的遗传图解请据图分析回答问题 1豌豆的亲代都是紫花而后代中出现了白花这种现象在生物学上称为 豌豆的紫花和白花在遗传 sketch template
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为研究豌豆的高茎与矮茎花的顶生与腋生两对性状的遗传进行了两组纯种豌豆杂交实验如图所示据图分析下列说法正确的是 A．两对性状分别 sketch template
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如图为豌豆的一对相对性状遗传实验过程图解请仔细读图后回答下列问题1在该实验的亲本中父本是矮茎豌豆母本是高茎豌豆．2操作叫去雄 sketch template
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