• Dicska@lemmy.world
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    2 days ago

    Making them resistant to HIV. How does he test it whether they actually are…?

    • Revan343@lemmy.ca
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      2 days ago

      Sequence them; he was bashing in a gene that we already know conveys HIV resistance (but not complete immunity), the ∆32 mutation. If sequencing shows that the babies have the mutation, and also don’t have any other negative mutations as a result of the experiment, then it was successful.

      That ‘and also’ is the hard one to be sure about.