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2013-05-23 12:21
求翻译：Genetically modified crops produce unforeseeable biological mutations that can increase the original toxic levels and create new toxins or byproducts. In 1999, Losey Tests found that after casting transgenic Bt maize pollen on the leaf of a plant called apocynum, butterflies eat leaf less, grow slowly,and the larvae of是什么意思？ 待解决
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Genetically modified crops produce unforeseeable biological mutations that can increase the original toxic levels and create new toxins or byproducts. In 1999, Losey Tests found that after casting transgenic Bt maize pollen on the leaf of a plant called apocynum, butterflies eat leaf less, grow slowly,and the larvae of
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2013-05-23 12:21:38
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2013-05-23 12:23:18
基因改变的作物生物突变产生无法预见,可以提高原有毒程度和创造新的毒素或副产品。
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2013-05-23 12:24:58
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2013-05-23 12:26:38
转基因作物生产不可预见生物突变可以增加原有有毒水平和创建新的毒素或副产品。1999 年，Losey 测试发现后称为罗布麻植物的叶片铸造转基因 Bt 玉米花粉、 蝴蝶叶少吃、 增长缓慢，和幼虫的死亡率在 4 天内成为 44%。但没投 Bt 的对照组的死亡率玉米花粉是 0%。转基因作物的农药毒可以渗透到根周围，但尚不清楚它的影响就会有。
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2013-05-23 12:28:18
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