Genetically Modified Mosquitoes: What to Know

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Could genetically modified mosquitoes actually be used to contain the spread of diseases like dengue, Zika, yellow fever, and chikungunya? Here's what the science says so far:

mosquitoes that have had their genes changed in a lab are intended to control the disease-carrying wild ones. It’s a possible alternative to insecticides, which are used so much in the U.S. that some mosquitoes have become resistant to them, meaning they shrug off the deadly effects. And certain insecticides can be toxic to beneficial bugs like bees.Scientists mass produce maleeggs in a lab. They program these males to carry a gene that they’ll pass to their offspring when they mate in the wild.

The Environmental Protection Agency has authorized testing in a couple of states in the U.S. The agency has given the green light to Oxitec, a biotech company based in the United Kingdom that creates genetically modified mosquitoes.Aedes aegypti

 

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