Gene editing can make fruit flies into ‘monarch flies’
Only three molecular changes are needed for fruit flies to digest milkweed toxins
![monarch butterfly and fruit fly](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/10/1001219_ti_fruitflymonarch_feat.jpg?fit=1030%2C574&ssl=1)
Monarch butterflies are immune to milkweed toxins, and thanks to gene editing, now some fruit flies are too — such as the one on this monarch’s wing.
copyright Julianne Palaez