Usage of ‚Äö√Ñ√∂‚àö√ë‚àö‚à´packaging lines‚Äö√Ñ√∂‚àö√ë‚àöœÄ is an alternative to __________$

Co-introduction of helper virus

Usage of ‚Äö√Ñ√∂‚àö√ë‚àö‚à´packaging lines�

1.	Usage of ‚Äö√Ñ√∂‚àö√ë‚àö‚à´packaging lines‚Äö√Ñ√∂‚àö√ë‚àöœÄ is an alternative to __________$
A.	Cloning
B.	Recombination
C.	Co-introduction of helper virus
D.	Viral vector for gene transfer
Answer» D. Viral vector for gene transfer