C) Constructing recombinant DNA by joining with vectors
D) DNA finger printing
Explanation
[Solution from source] In biolistics, gold or tungsten microparticles coated with DNA are shot into cells, a method suited to transforming plant cells. Disarming pathogens and joining DNA to vectors are done with enzymes, not a gene gun. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.