What does cloning mean?
A. The ability to multiply the desired gene in the host
B. The ability to multiply the vector in the host
C. The ability to multiply the antibiotic resistance gene in the host
D. The ability to multiple Ori in the host
NCERT page number 195; Para-1
11.1 Principles of Biotechnology
Biotechnology: Principles And Processes
#here they are talking about the discovery of first recombinant DNA. Apply the concept of cloning not the information of first discovery. Their desired gene was antibiotic resistance but always the case is not same.