‘Anti-malarial mosquitoes’ created using controversial genetic technology

Crispr-Cas9 used to write anti-malarial genes into the DNA of eggs belonging to Anopheles stephensi mosquitoes. A major carrier of the malaria parasite in Asia, the strain is responsible for more than 10% of malaria cases in India.

In lab tests, the modified mosquitoes passed on their anti-malarial genes to 99.5% of their offspring, suggesting that the procedure was incredibly effective and efficient.

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