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自交不亲和性是指某一植物的雌雄两性机能正常，但不能进行自花传粉或同一品系内异花传粉的现象。如某品种烟草为二倍体雌雄同株植物，却无法自交产生后代 Template






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tomski自交不亲和性是指某一植物的雌雄两性机能正常，但不能进行自花传粉或同一品系内异花传粉的现象。如某品种烟草为二倍体雌雄同株植物，却无法自交产生后代 coloring
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1．植物的自交不亲和性是指当花粉落在自身柱头上时花粉不能够正常萌或穿过柱头无法完成受梢作用表现为自交不能结实的现象．为了将白菜中的自交 sketch template
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自交不亲和性是指某一植物的雌雄两性机能正常，但不能进行自花传粉或同一品系内异花传粉的现象。如某品种烟草为二倍体雌雄同株植物，却无法自交产生后代 sketch template
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题目植物的自交不亲和性是指当花粉落在自身柱头上时花粉不能够正常萌或穿过柱头无法完成受精作用表现为自交不能结实的现象为了将白菜中的 sketch template
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烟草是雌雄同株植物因其存在自交不亲和现象无法通过自交产生后代这是由其细胞核基因S控制的遗传机制所决定的其规律如下图所示注花粉粒中的 sketch template
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1．植物的自交不亲和性是指当花粉落在自身柱头上时花粉不能够正常萌或穿过柱头无法完成受梢作用表现为自交不能结实的现象．为了将白菜中的自交 sketch template
view template
1．植物的自交不亲和性是指当花粉落在自身柱头上时花粉不能够正常萌或穿过柱头无法完成受梢作用表现为自交不能结实的现象．为了将白菜中的自交 sketch template
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题目自交不亲和性是指某一植物的雌雄两性机能正常但不能进行自花传粉或同一品系内异花传粉的现象．如某品种烟草为二倍体雌雄同株植物却无法自交 sketch template
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题目自交不亲和性指某一植物的雌雄两性机能正常但不能进行自花传粉或同一品系内异花传粉的现象如某品种烟草为二倍体雌雄同株植物却无法自交 sketch template
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