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【简答题】
看图操作步骤示意图，分析回答： （1）图中操作步骤是在生产实践中常见的________方式，属于________生殖。 （2）①称为_______，②称为________。①与②结合时应当使①与②的________紧密结合，以确保①的成活。 （3）______________(列举两例)等很多果树都是利用这种方式来繁育优良品种的。 （4）新形成的植株将表现出[ ]________的性状。 （5）在嫁接过程中，人们选择的①中的_________性状，通过嫁接，果树可保持这种性状。
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