Cross breeding（杂交育种）
Cross breeding（杂交育种）
发布时间：2025-02-19 05:08:42
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答案：通过杂交方法，将不同植株的遗传物质进行交换、重组，使不同菌株的优良性状集中在重组体中，克服长期诱变引起的生活力下降等缺陷
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