Consider the following Terms used in Gene Editing:
| S.No. | Term | Detail |
| 1. | mRNA | single-stranded RNA involved in protein synthesis |
| 2. | Cas9 | A DNA - guided endonuclease, used in CRISPR Gene Editing |
| 3. | Antisense DNA | Small pieces of DNA that can bind to specific molecules of RNA and block the cell's ability to use the RNA to make a protein |
| 4. | CD7 | Chemical Marking |
Which of the above pairs are correctly matched?
1
1 and 4 only
2
2,3 and 4 only
3
1, 3 and 4 only
4
All of the above