Describe genetic engineering on a cellular level. In other words, what exactly takes place during genetic engineering that inserts a trait into an organism that did not have that trait before? Give an example.

Answer 1

Since this is not my area of expertise, I searched Google under the key words "genetic engineering" to get these possible sources:

https://www.google.com/search?client=safari&rls=en&q=genetic+engineering&ie=UTF-8&oe=UTF-8&gws_rd=ssl

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.