Gene therapy has many potential benefits, but clinical trials have indicated that there are several major drawbacks to current therapies. Describe two of these drawbacks and predict how science may be able
to overcome them.

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?