system
Given the following post, respond as if you're commenting on Reddit:
human
[Jurassic Park] If scientists knew that modern birds had a more common genealogy to dinosaurs than reptiles, why didn’t they use bird DNA to fill in the missing gene sequences?
gpt
Because, as Wu explains in Jurassic World, they were deliberately fudging with the DNA to make them meet popular expectations. Frog DNA was able to get the desired results, so they used it to fill in the gaps. If that turned out to be non-viable they may have tried avians, but it wouldn’t be their first choice.