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Genetically Engineered Mosquitoes Cross With Natural Species

Biotech company Oxitec has created genetically engineered (GE) mosquitoes in an attempt to control mosquito-borne diseases like yellow fever, dengue, chikungunya and Zika.  The male Aedes aegypti mosquitoes have been genetically engineered to carry a "genetic kill switch," such that when they mate with wild female mosquitoes, their offspring inherit the lethal gene and cannot survive or reproduce in the wild.  Except, the GE mosquitoes have already been released in Brazil, and researchers monitoring the project have found the GE genes have crossed with wild mosquitoes — despite the company’s assurances that this wouldn’t happen.  Read more.....

 

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