A retrovirus can synthesize DNA in a host cell . Discuss.

Explain briefly the shot-gun method of introducing alien DNA in host cell.

Explain briefly microinjection method of introducing alien DNA into host cell.

Retro viruses have no DNA. However, the DNA of the infected host cell does possess viral DNA. How is it possible ?

Explain any two methods for introduction of recombinant DNA into host cell.

Briefly write about Gene gun method and Microinjection method for introduction of alien DNA into host cell.

Briefly explain the microinjection method to introduce alien DNA into host cell.

Can there be DNA replication without cell division?