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已知番茄的红果为显性二室为显性控制两对相对性状的基因分别位于两对同源染色体上育种工作者利用不同的方法进行了如下四组实验请据图回答问题 Template






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tomski已知番茄的红果为显性二室为显性控制两对相对性状的基因分别位于两对同源染色体上育种工作者利用不同的方法进行了如下四组实验请据图回答问题 coloring
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已知番茄的红果为显性二室为显性控制两对相对性状的基因分别位于两对同源染色体上育种工作者利用不同的方法进行了如下四组实验请据图回答问题 sketch template
view template
已知番茄的红果为显性二室为显性控制两对相对性状的基因分别位于两对同源染色体上育种工作者利用不同的方法进行了如下四组实验请据图回答问题 sketch template
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番茄的红果是显性圆果是显性且遵循自由组合定律现用红色长果与黄色圆果番茄杂交从理论上分析其后代的基因型数不可能是 A．1种 B sketch template
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已知番茄的红果为显性二室为显性控制两对相对性状的基因分别位于两对同源染色体上．育种工作者利用不同的方法进行了如下四组实验．请据图回答问题 sketch template
view template
sketch template
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番茄红果对黄果为显性二室果对多室果为显性长蔓对短蔓为显性三对性状独立遗传现有红果二室短蔓和黄果多室长蔓的两个纯合品系将其杂交 sketch template
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番茄果实的红色对黄色为显性两室对多室为显性植株高对矮为显性三对相对性状分别受三对同源染色体上的等位基因控制育种者用纯合红色两室矮茎番茄 sketch template
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番茄的红果对黄果是显性圆果对长果是显性且自由组合现用红色长果与黄色圆果番茄杂交从理论上分析其后代的基因型数不可能是 A．一种 sketch template
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番茄果实的红色对黄色为显性两室对多室为显性植株高茎对矮茎为显性三对相对性状分别受三对非同源染色体上的非等位基因控制育种者用纯合红色两室 sketch template
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7．番茄红果对黄果为显性圆果对长果为显性且控制这两对性状的基因自由组合现用红色长果与黄色圆果番茄杂交从理论上分析其后代的基因型不可能 sketch template
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西红柿果肉颜色红色和紫色为一对相对性状红色为显性用杂合的红果肉西红柿自交获得F1将F1中表现型为红果肉的西红柿自交得到F2以下叙述正确 sketch template
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豌豆的黄色子叶是显性有色种皮是显性用纯合的黄色子叶有色种皮的豌豆作父本用绿色子叶无色种皮的豌豆作母本进行杂交所得种子连续播种和自 sketch template
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番茄果实的红色对黄色为显性两室对一室为显性两对基因独立遗传．用具有这两对相对性状的纯合亲本杂交子二代中重组型出现的概率 A sketch template
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题目为探究番茄果色的遗传某实验小组用红果番茄和黄果番茄进行了如下实验组别亲代子代/个红果黄果甲黄果×黄果0235乙红果×红果60丙 sketch template
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番茄果实的红色对黄色为显性两室对多室为显性植株高对矮为显性．三对相对性状分别受三对非同源染色体上的非等位基因控制．育种者用纯合红色两室矮茎 sketch template
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番茄果实的红色对黄色为显性两室对多室为显性植株高对矮为显性三对相对性状分别受三对非同源染色体上的非等位基因控制育种者用纯合红色两室矮茎 sketch template
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12．番茄果实的红色对黄色为显性两室对多室为显性植株高对矮为显性三对相对性状分别受三对非同源染色体上的非等位基因控制育种者用纯合红色两 sketch template
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番茄果实的红色对黄色为显性两室对一室为显性两对性状分别受两对非同源染色体上的非等位基因控制育种者用纯合的具有这两对相对性状的亲本杂交子 sketch template
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题目番茄红果R对黄果r为显性果实二室M对多室m为显性两对基因独立遗传现将红果二室的品种与红果多室的品种杂交Fl代 sketch template
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番茄中基因Aa控制植株的有无茸毛果实的红色与黄色是一对相对性状控制两对相对性状的基因独立遗传．育种工作者为研究这两对遗传性状的特点进行了 sketch template
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番茄的红果与黄果是一对相对性状A表示显性基因a表示隐性基因下表是番茄的果色三个组合的遗传实验结果分析回答有关问题． 组合 亲本性状 sketch template
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题目番茄的红果为显性子房多室为显性现将红果多室和红果二室番茄进行杂交其后代表现型及比例如图所示据此两亲本的遗传因子组成是 A sketch template
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已知二倍体番茄的红果为显性高茎为显性某人用红果高茎和红果矮茎番茄杂交对后代的结果进行统计表现有红果黄果=31．高茎矮茎=11 sketch template
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已知番茄的红果为显性高茎为显性甲图为某红果高茎番茄与黄果矮茎番茄测交得到子一代再与黄果矮茎番茄测交得到子二代的结果据图分析回答 L sketch template
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蕃茄中红果为显性如果把纯合红果植株的花粉授到黄果的柱头上所结果实的颜色和果实内种子的胚和胚乳的基因型分别是A黄RrRrrB黄Rr sketch template
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番茄中红果黄果是一对相对性状D控制显性性状d 控制隐性性状．根据遗传图解回答下列问题．1红果黄果中显性性状是红果做出这一判断是 sketch template
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番茄的红果对黄果为显性圆果对长果的显性且自由组合现用红色长果与黄色圆果番茄杂交从理论上分析其后代的基因型不可能出现的是 A．只有1种 sketch template
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番茄红果R对黄果r为显性如果把黄果的花粉授到红果的柱头上所结果实的颜色和种子胚的基因型分别是 A红Rr或rr B黄或红rr C红 sketch template
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已知番茄的红果和白果受一对等位基因控制且红果为显性现有一杂合红果番茄自交 F1 红果番茄中纯合子占A1/2 B1/3 C1/4 D sketch template
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已知番茄红果为显性正常果形为显性以上两对基因分别位于各自的同源染色体上．现有红色多棱果黄色正常果形和黄色多棱果3个纯合品种为培育获得 sketch template
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如图为番茄的结构层次示意图请观察和辨析图中各数字符号代表的结构名称并回答下列问题。 1番茄植株从土壤中吸收水和无机盐的器官是 sketch template
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番茄果实的颜色由一对遗传因子Aa控制如表是关于番茄果实颜色的3个杂交实验及其结果．下列分析正确的是 实验组亲本表现型F1的表现型和植株 sketch template
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题目番茄是二倍体植物2N=24番茄的红果R对黄果r为显性高茎H对矮茎h为显性请回答下列问题1 图甲表示用 sketch template
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已知番茄的红果对黄果为显性高茎对矮茎为显性．甲图为某红果高茎番茄与黄果矮茎番茄测交得到子一代再与黄果矮茎番茄测交得到子二代的结果据图分析 sketch template
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番茄的红果是显性让杂合的红果番茄自交得F1淘汰F1中的黄果番茄利用F1中的红果番茄自交和随机交配其后代RRRrrr三种基因型的比例 sketch template
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下列属于相对性状的是 A．羊的白毛与牛的黄毛 B．豌豆的黄色豆荚与绿色子叶 C．人的双眼皮与单眼皮 D．羊的毛与长毛——青夏教育精英家教—— sketch template