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Ⅰ．菜豆种皮颜色由两对非等位基因a调控a基因控制色素合成a 显性基因 出现色素aa和aa的效应相同b基因为修饰基因淡化颜色的深度 Template






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tomskiⅠ．菜豆种皮颜色由两对非等位基因a调控a基因控制色素合成a 显性基因 出现色素aa和aa的效应相同b基因为修饰基因淡化颜色的深度 coloring
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菜豆种皮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 显性基因 出现色素AA和Aa的效应相同B基因为修饰基因淡化颜色 sketch template
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Ⅰ．菜豆种皮颜色由两对非等位基因A调控A基因控制色素合成A 显性基因 出现色素AA和Aa的效应相同B基因为修饰基因淡化颜色的深度 sketch template
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菜豆种皮颜色由两对非等位基因A调控A基因控制色素合成A 显性基因 出现色素AA和Aa的效应相同B基因为修饰基因淡化颜色的深度B sketch template
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菜豆种皮颜色由两对非等位基因A调控A基因控制色素合成A 显性基因 出现色素AA和Aa的效应相同B基因为修饰基因淡化颜色的深度B sketch template
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37．菜豆种皮颜色由两对非等位基因A调控A基因控制色素合成A 显性基因 出现色素AA和Aa的效应相同B基因为修饰基因淡化颜色的深度 sketch template
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基因A和aB和b同时控制菜豆种皮的颜色显性基因A控制色素合成且AA和Aa的效应相同显性基因B淡化颜色的深度B基因存在时使A基因控制 sketch template
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菜豆种皮颜色由两对非等位基因A调控A基因控制色素合成A 显性基因 出现色素 AA和Aa的效应相同B基因为修饰基因淡化颜色的深度B sketch template
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菜豆种皮颜色由两对非等位基因A调控A基因控制色素合成A 显性基因 出现色素AA和Aa的效应相同B基因为修饰基因淡化颜色的深度B sketch template
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菜豆的种子由种皮和胚两部分组成胚是种子的主要部分． 题目和参考答案——青夏教育精英家教—— sketch template
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图甲表示豌豆的部分染色体Rr是决定豌豆粒形的等位基因Yy是决定种皮颜色的等位基因图乙表示果蝇的体细胞染色体图解其中A和aB和b sketch template
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不同颜色大豆种皮色素含量的分析 知猫论文 sketch template
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如图为菜豆种子形态结构示意图识图回下列问题1菜豆种子由胚胚和种皮种皮两部分组成．质地坚硬有保护作用由子房壁子房壁 sketch template
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花生种皮颜色及花青素含量的遗传分析 参考 sketch template
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等位基因概念图解 千图 sketch template
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控制黄绿和圆皱的两对等位基因是位于一对同源染色体上的吗——青夏教育精英家教—— sketch template
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如图所示是菜豆和玉米种子的结构示意图请据题填写空白．1菜豆种子由胚和种皮构成．2乙图中C将育成茎和叶．3玉米的种子 sketch template
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某植物块根的颜色由两对自由组合的基因共同决定只要基因R存在块根必为红色rrYY或rrYy为黄色rryy为白色在基因M存在时果实为复果 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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菜豆种子和玉米种子结构上的相同点是都有种皮种皮和胚其中胚由胚芽胚芽胚轴胚轴胚根胚根子叶子叶组成． 题目和参考答案——青夏教育精英家教—— 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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基因型为ddEeFF和DdEeff的2种豌豆杂交在3对基因各自独立遗传的条件下其子代表现型不同于2个亲本的个体数占全部子代的 A．1 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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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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图Ⅰ为某夫妇的体细胞内A和aB和b两对等位基因的分布情况图Ⅱ为妻子某细胞分裂过程中DNA含量变化曲线图图Ⅲ为该夫妇某一次生育 sketch template
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图为大豆种子和幼苗的结构示意图分析回答下列问题1大豆种子由66种皮种皮和55胚胚 两部分组成．2结构5是由11胚轴 sketch template
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某哺乳动物背部的皮毛颜色由常染色体复等位基因A1A2和A3控制且A1A2和A3任何两个基因组合在一起各基因都能正常表达下图表示基因对 sketch template
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下列有关遗传和变异的说法错误的是 A．若基因型为Aabb和aaBb的两亲本杂交后代出现四种表现型且性状分离比为1111则说明这 sketch template
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如图是菜豆种子的结构和萌过程示意图请回答1种子结构如图1中是种皮对幼嫩的胚有保护作用．菜豆种子的胚是由胚根胚轴胚芽和子叶四 sketch template
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如图是菜豆种子萌过程示意图请根据图回答问题1首先突破种皮的是胚根胚根2胚芽育成新植株的茎和叶新植株的茎和叶3菜豆种子萌时 sketch template
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19．如图为菜豆种子和玉米种的结构图据图回答1填写图中各部分名称 胚芽子叶 2菜豆种子和玉米种子结构的相同点是都有种皮和胚 sketch template
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下图是大肠杆菌的一段碱基序列若在第9位与第10位之间插入1个G下列说法正确的是 A．如果使其编码的蛋白质受到的影响最小应该在后边再增加3 sketch template
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下列有关生系统结构层次的说法错误的是 A．农贸市场上新鲜的白菜萝卜菠菜活鸡猪以及附在上面的细菌等微生物它们共同组成一个种群B sketch template
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大豆种子的结构包括 和胚两部分其中胚又分为 和两片肥厚的 题目和参考答案——青夏教育精英家教—— sketch template
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Y是位于某种蝴蝶常染色体上的一对等位基因雄性有黄色和白色雌性只有白色下列杂交组合中不可以从其子代表现型判断出性别的是 A． ♀ sketch template
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下列关于豌豆根尖分生区细胞有丝分裂过程中相关细胞器作用的叙述．正确的是 A在间期叶绿体进行光合作用合成有机物B在前期核糖体上合成 sketch template