Thes best option from the given answers, would letter A.
Answer:
In the 1970s, scientists isolated bacterial plasmids.
Explanation:
I had this question...
I put “Today, genes can be isolated, identified, and cloned (copied over and over), then inserted into other organisms to alter their traits.” And I got it wrong
this is what makes sense
one screwdriver,off a boat,AND ANOTHER SHIP