[A]: Recombinant DNA contains DNA from two or more sources.
[R]: Plasmids are small extra rings of DNA in bacteria that carry genes not present in the bacterial chromosome
A. If both A and R are true and R is the correct explanation of A
B. If both A and R are true but R is not the correct explanation of A
C. If A is true and R is false
D. If both A and R are false