Question: Which of the following is not associated with first recombinant DNA molecule?
A Stanely Cohn
B 1975
C Plasmid of Salmonella typhiurium
D Antibiotic resistance gene
Answer: 1975
| Aspect | Description |
| Year | 1972 |
| Scientists | · Stanley Cohen
· Herbert Boyer |
| Significance | The first successful creation of recombinant DNA |
| Methodology | They cut a piece of DNA from a plasmid carrying an antibiotic resistance gene in the bacterium Salmonella typhimurium and linked it to the plasmid of Escherichia coli |
| Key Components | · Plasmids
· Restriction enzymes · DNA ligase |
| Impact | Enable the development of gene cloning and genetic modification techniques |