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30．i 已知果蝇的红眼为显性位于x染色体上正常肢为显性位于常染色体上两只正常肢红眼雌雄果蝇交配得ff的类型和数量如下表 正常肢 Template






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tomski30．i 已知果蝇的红眼为显性位于x染色体上正常肢为显性位于常染色体上两只正常肢红眼雌雄果蝇交配得ff的类型和数量如下表 正常肢 coloring
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30．I 已知果蝇的红眼为显性位于X染色体上正常肢为显性位于常染色体上两只正常肢红眼雌雄果蝇交配得FF的类型和数量如下表 正常肢 sketch template
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30．I 已知果蝇的红眼为显性位于X染色体上正常肢为显性位于常染色体上两只正常肢红眼雌雄果蝇交配得FF的类型和数量如下表 正常肢 sketch template
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果蝇的红眼为显性该基因位于X染色体上一只红眼果蝇与一只白眼果蝇交配子代雄果蝇与亲代雌果蝇眼色相同子代雌果蝇则与亲代雄果蝇眼色相同以下 sketch template
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果蝇的红眼为显性这对等位基因位于X染色体上下图表示一红眼雄果蝇与一红眼雌果蝇分别通过减数分裂产生配子再交配出一白眼雄果蝇的过程请根据图 sketch template
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果蝇的红眼为伴X显性遗传其隐性性状为白眼在下列杂交组合中通过眼色即可直接判断子代果蝇性别的一组是 A杂合红眼雌果蝇×红眼雄果蝇 B sketch template
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果蝇的红眼（A）对白眼（a）为显性，长翅（B）对残翅（b）为显性，这两对基因是自由组合的．（A﹣a在X染色体上，B﹣b在常染色体上） sketch template
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果蝇是遗传学研究的经典实验材料其四对相对性状中红眼对身细眼为显性下图是雄果蝇M的四对等位基因在染色体上的分布果蝇M眼睛的表现型是 sketch template
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果蝇的红眼为显性这对等位基因位于X染色体上下图表示红眼雄果蝇与红眼雌果蝇分别通过减数分裂再交配产生出一白眼雄果蝇的过程请回答 1 sketch template
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果蝇的红眼是显性控制眼色的基因在X染色体上双亲中的一方为红眼另一方为白眼杂交后F1代中雌果蝇与亲代雄果蝇眼色相同雄果蝇眼色与亲代雌 sketch template
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果蝇的两对性状红眼为显性位于X染色体上长翅为显性位于常染色体上 1红眼长翅的雌果蝇与红眼长翅的雄果蝇交配后代的表现型比例如下表 sketch template
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果蝇的红眼为显性这对等位基因位于X染色体上下图表示一红眼雄果蝇与一红眼雌果蝇分别通过减数分裂产生配子再交配生出一白眼雄果蝇的过程请据图 sketch template
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已知果蝇的眼色有3种类型白眼红眼紫砂眼其中一对控制红眼的等位基因位于常染色体上另一对控制红眼的等位基因位于X染色体上两对等位基因中 sketch template
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果蝇的灰身与身是一对相对性状红眼与白眼为另一对相对性状现有两只亲代果蝇杂交子代表现型及比例如右图所示请据图分析控制灰身与身的基因 sketch template
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果蝇的红眼为显性这对等位基因位于X染色体上下图表示红眼雄果蝇与红眼雌果蝇分别通过减数分裂再交配产生出一白眼雄果蝇的过程请回答 1 sketch template
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题目生态系统是由生产者和消费者组成的 题目和参考答案——青夏教育精英家教—— sketch template
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已知果蝇红眼对白眼为显性其基因位于X染色体上用A或a表示如图表示某果蝇细胞的染色体组成回答下列问题1该果蝇的性别是 其一个 sketch template
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果蝇的红眼为显性这对等位基因位于X染色体上下图表示一红眼雄果蝇与一红眼雌果蝇分别通过减数分裂产生配子再交配出一白眼雄果蝇的过程请根据图 sketch template
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果蝇相对性状中红眼为显性基因位于x染色体灰身为显性基因位于Ⅳ号染色体．缺失l条Ⅳ号常染色体仍能正常生存和繁殖2条Ⅳ号均缺失则致死．用都 sketch template
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果蝇的红眼为显性这对等位基因位于X染色体上下图表示一红眼雄果蝇与一红眼雌果蝇分别通过减数分裂产生配子再交配出一白眼雄果蝇的过程请据图 sketch template
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54．已知果蝇红眼对白眼为显性其基因位于X染色体上用A或a表示图8 表示果蝇的减数分裂过程请回答 1图Ⅱ的细胞叫 2若 sketch template
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腹果蝇为生物实验常用材料进一步研究现下果蝇的性别与染色体组成有关如下表其中XXY个体能够产生正常配子．染色体组成 sketch template
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已知果蝇红眼对白眼为显性其基因只位于X染色体上用A或a表示下图表示果蝇的减数分裂过程请回答 1图II的细胞叫 2若图示的 sketch template
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果蝇染色体图解 千图 sketch template
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果蝇的红眼A为显性这对等位基因位于X染色体上如图表示一红眼雄果蝇与一红眼雌果蝇分别通过减数分裂产生配子再交配生出一白眼雄果蝇的过程请据 sketch template
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如图表示果蝇精原细胞减数分裂过程 1图中细胞由A变为B的过程中细胞内染色体的行为变化是 对白眼e为显性这对基因位于X染色体上 sketch template
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许多年来果蝇作为经典模式生物在遗传学研究中备受重视下列有关果蝇的说法不正确的是 A． 果蝇长翅对残翅为显性基因位于常染色体上现 sketch template
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安徽宿州模拟图1表示果蝇体细胞的染色体组成，图2表示果蝇性染色体X和Y的非同源区段和同源区段。已知控制果蝇刚毛B和截毛b的等位基因 sketch template
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果蝇的红眼和白眼是一对相对性状红眼对白眼为显性基因位于X染色体上．下列杂交组合中通过眼色就可直接判断子代果蝇性别的是 A白眼♀× sketch template
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题目果蝇的性别决定方式为XY型图甲乙分别为雌雄果蝇体细胞的染色体组成示意图果蝇的灰身A与身a是一对相对性状基因Aa sketch template
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果蝇的灰身与身是一对相对性状红眼与白眼为另一对相对性状．现有两只亲代果蝇杂交子代表现型及比例如图所示．请据图分析控制灰身与身的基因 sketch template
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果蝇的体色中的黄与为一对相对性状由等位基因Bb控制眼色中的红色与白色为另一对相对性状由等位基因．Dd控制两对基因均不位于Y染色体 sketch template
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题目图中分别表示真核细胞内三种物质的合成过程据图回答下列有关问题1图示过程分别表示 过程过程具有 的特点 sketch template
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题目果蝇的红眼W对白眼w为显性这对等位基因位于X染色体上下图表示一只红眼雄果蝇与一只红眼雌果蝇交配产生一只白眼雄果蝇的过程 sketch template
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果蝇是一种非常小的蝇类遗传学家尔根曾因对果蝇的研究而获得“诺贝尔奖 下图一表示某果蝇的体细胞染色体及基因组成下表显示有关基因与性状的 sketch template
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题目果蝇是遗传学研究中一种重要的实验材料请回答下列相关问题1果蝇与人相似均属于 型性别决定上表列出了人果蝇的性染色体组成与 sketch template