常見(jiàn)例句雙語(yǔ)例句For a time, it was successful, but then evolution struck back, as natural selection favoured the spread of insecticide-resistant genes.這種方法一時(shí)間非常有效,但接著蚊子重磅回?fù)簟笞匀坏纳娣▌t讓蚊子大軍有了抗殺蟲(chóng)劑的良好基因。Will pest-resistant genes in crops spread to surrounding vegetation and create super weeds that require more toxic chemicals to eradicate?作物中抵抗害蟲(chóng)的基因會(huì)不會(huì)傳播給周?chē)闹参?,從而長(zhǎng)出需要更毒的農(nóng)藥才能根除的超級(jí)雜草?edu.sina.com.cnUsing techniques similar to those involved in DNA fingerprinting, they then looked for the presence of antibiotic-resistant genes - and found these in high concentrations.他們運(yùn)用類(lèi)似DNA指紋識(shí)別的技術(shù),尋找抗藥性的基因的存在,并在高濃度季銨鹽存在下找到了它們。權(quán)威例句They worry that pesticide-resistant genes may spread from plants that should be saved to weeds that have to be killed.ECONOMIST: Who’s afraid?Now there is new research into splicing genes in turf grasses to make them chemically resistant to weed killers.NPR: Excerpt: 'The American Meadow Garden' 返回 resistant genes