Biology · Principles and Processes in Biotechnology

Who constructed the first artificial recombinant DNA molecule by linking an antibiotic resistance gene with a native plasmid from \( \text{Salmonella typhimurium} \) in 1972?

1. A
   Watson and Crick
2. B
   Stanley Cohen and Herbert Boyer
3. C
   Alexander Fleming and Ernst Chain
4. D
   Meselson and Stahl