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2018_2019学年高中生物6.1杂交育种与诱变育种（知识表格）多倍体育种和单倍体育种的比较素材新人教版必修2.pptx

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2018_2019学年高中生物6.1杂交育种与诱变育种（知识表格）多倍体育种和单倍体育种的比较素材新人教版必修2.pptx_第1页
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多倍体育种和单倍体育种的比较,染色体组成倍减少，再 加倍后得到纯种(指每 对染色体上成对的基因 都是纯合的),染色体组成倍增加,秋水仙素处理萌发的 种子、幼苗,花药离体培养后，人工 诱导染色体数目加倍,操作简单,明显缩短育种年限,适用于植物，在动物方 面难以操作,技术复杂一些，需与杂 交育种配合,

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