A) plasmids
B) retroposons
C) transposons
D) none of these
Correct Answer: C
Solution :
Barbara McClintock got Nobel Prize for elucidating jumping genes or transposons in maize in 1983. In bacteria transposons are (i) IR elements (ii) RTF (Resistance transfer factor). Plasmids are self replicating, gene containing circular piece of DNA about 1-5% of the size of bacterial chromosome. They are F-factor plasmid, R-factor plasmid and col-plasmid.
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