Which statements describe gene therapy? Check all that apply. It cures all cases of cystic fibrosis.
It involves the modification of DNA.
It is easy to apply to all cells affected by the disorder.
It attempts to replace a mutated gene with normal DNA.
It does not always cure patients who use it

It cures all cases of cystic fibrosis.

It involves the modification of DNA.

It attempts to replace a mutated gene with normal DNA.

It does not always cure patients who use it.

Explanation:

The other guy sucks didn't even complete the answer

answer: when you start thinking negitivly and start having suicidal thoughts

or harming yourself, sadness is part of depression as well as fear and anger combined