
Explain the role of reverse transcriptase in the formation of cDNA.
Important Questions on Genetic Technology






Fill in the blanks with the correct options given in the bracket.
Chemical knives of DNA are _____. (Polymerase, Transcriptases, Ligases, Endonucleases)

Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it?
5‘ ----GAATTC----3’
3’ ----CTTAAG-----5’







Fill in the blanks with the correct options given in the bracket.
The enzyme useful for genetic engineering is _____. (Ligase, Endonuclease, Polymerase, Restriction endonuclease)


Which of the following are correct statements?
- The polyethylene glycol method is used for gene transfer without vector.
- The biolistic gun is a suitable method for transferring genes into an animal cell.
- The plasmid is a single-stranded DNA.
- In recombinant DNA technology cDNA is prepared from mRNA.



Fill in the blanks with the correct options given in the bracket.
Restriction enzymes may be obtained from _____. (Bacteriophage, Bacterial cells, Plasmids, All prokaryotic cells)
