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番茄对矮生植株对黄果b为显性两对基因独立遗传请回答下列问题 1现有基因型aabb与aabb的番茄杂交其后代的基因型有 种 Template






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tomski番茄对矮生植株对黄果b为显性两对基因独立遗传请回答下列问题 1现有基因型aabb与aabb的番茄杂交其后代的基因型有 种 coloring
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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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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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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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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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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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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实验详情 sketch template
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题目用一株黄色果实南瓜和一株白色果实南瓜作为亲代杂交得到的子一代既有黄色果实也有白色果实再让子一代相同性状的植株杂交产生子二代如图所 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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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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题目番茄营养丰富是人们喜爱的一种蔬菜伴随饮食安全意识的提高很多人选择在自家阳台种植蔬菜下图是王伟同学种植的番茄植株及用显微镜观察 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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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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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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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中红果黄果是一对相对性状D控制显性性状d控制隐性性状根据下图遗传图解回答下列问题 1红果黄果中显性性状是 做出这一判断是 sketch template
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题目在番茄中圆形果为显性单一花序是显性对某单一花序圆形果植株进行测交测交后代表型及其株数为单一花序圆形果22株单一花序卵圆形果 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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颜色由一对基因Aa控制下表是关于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数目红果 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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30．对黄果对多室m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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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番茄对矮生植株对黄果b为显性两对基因独立遗传请回答下列问题 1现有基因型AaBB与aaBb的番茄杂交其后代的基因型有 种 sketch template
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玉米是一种雌雄异花同株的植物通常其顶部开雄花下部开雌花．正常植株为两性植株A B 两对基因分别位于两对同源染色体上植株不能长出 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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图甲乙分别代表某种植物两不同个体细胞的部分染色体与基因组成其中高茎显性卷叶显性红花显性已知失去图示三种基因中的任意一种都会导致配子 sketch template
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番茄果实的颜色由一对等位基因Aa控制下表是关于番茄果实颜色的3组杂交试验及其结果请分析回答实验组亲本表现型F1的表现型和植株数目 sketch template
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如图是利用某植物产生的花粉进行单倍体育种的示意图据图判断下列说法正确的是 A过程属于植物的组织培养在此过程中必须使用一定量的植物 sketch template
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玉米是一种雌雄同株植物下表表示5个玉米纯系的表现型相应的基因型及基因所在的染色体其中 品系均只有一个性状属隐性其他性状均为显性 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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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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甜豌豆的紫花对白花是一对相对性状由两对等位基因共同控制其显性基因决定花色的过程如图2所示下列根据此图的叙述不正确的是 A．紫花植株必须 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