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   age      area      chain      diseases      male      number      protein      tip      wild      yellow  

Paragraph 1

Scientists in Florida will release 750 million genetically modified mosquitoes into the . The aim is to reduce the of existing mosquitoes that have like Zika virus, fever and dengue fever. The plan is to release the mosquitoes next year in the Florida Keys. This is a long of tropical islands stretching 170km south of the southern of Florida. The modified mosquitoes are all . They carry a that will kill off any female offspring before they reach biting . It is only female mosquitoes that feed on blood and bite humans. Males only feed on nectar from flowers. Over time, scientists hope the disease-carrying population of mosquitoes in the will fall.

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