Middle School Life Science Quiz
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BIOLOGICAL EVOLUTION: UNITY AND DIVERSITY
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Scientists developed a gene drive (a genetic technology that increases the chance a trait is inherited) in mosquitoes to reduce the number of mosquitoes that can carry malaria. In lab cages, the trait spread through the mosquito population in 8 generations and the number of mosquitoes able to carry the parasite dropped sharply. However, computer models predicted that if released widely, the gene drive could spread to nearby regions where malaria is not common, and it might be hard to reverse once established. Which prediction about long-term impacts is supported by the evidence?
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