题目内容
A claimed environmental benefit of Bt-cotton and maize is reduced insecticide use. A PG Economics study concluded that global pesticide use was reduced by 286,000 tons in 2006, decreasing pesticidal environmental impact by 35%.
查看答案
搜索结果不匹配？点我反馈
更多问题
Resistance in GM crops evolves naturally after a population has been subjected to selection pressure via repeated use of a single pesticide.
In November 2009, Monsanto scientists found that the pink bollworm had become resistant to first generation Bt cotton in parts of Gujarat, India.
DuPont estimates that Monsanto has 98% of the US soybean market and 39% of the corn market.
Most of the ethical discussions related to genome editing center around human germline editing. This is because changes made in the germline would be passed down to future generations.
微信支付 
支付宝支付