I recommend you watch the TNG Season 2 episode where Dr. Pulaski and Data visit a colony that's doing genetic engineering of children, and their engineered immune systems create some kind of virus that Pulaski has to fix on a shuttlecraft.
The Federation's opinion of the subject is very strong in some episodes, and in others they completely forget about it.
The Federation's opinion of the subject is very strong in some episodes, and in others they completely forget about it.