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问：什么是保铃棉？答：保铃棉不是一个棉花品种，而是指所有含有保铃基因的一系列棉花品种。问：现在币场上有哪些保针棉品种？答：1998年在河北省仅销售品种名为“新棉33””的保铃棉。问：什么是保铃基因?答：保铃基因是从Bt中提取出来的专门可以产生毒素的部分。它是美国盘
Q: What is cotton boll? A: Boll cotton is not a cotton variety, but a series of cotton varieties that contain a boll gene. Q: What are the types of cotton on the market today? A: Only cotton boll cotton variety named “New Cotton 33” was sold in Hebei Province in 1998. Q: What is the boll gene? A: The boll gene is a specifically toxin-producing part extracted from Bt. It is a U.S. dish