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What is Jumping gene is - and explain in detail?
Ans. is 'a' i.e., Transposon Transposon . Also known as jumping genes. . Transposon is a segment of DNA with one or more genes in the centre. . It has ability to move around in a 'cut-and-paste' manner between chromosomal and extrachromosomal DNA. . Transposons attach at ceain regions of chromosomal, plasmid or phage DNA. . Inseion of a transposon leads to the acquisition of new characteristics by the recipient DNA molecules. . Unlike plasmid, transposons are not self replicating, and depend on chromosomal or plasmid DNA for replication. Plasmid . Plasmids are circular DNA molecules present in cytoplasm (extrachromosomal) of bacteria, capable of independent replication. Episome . When plasmid DNA is integrated into the host chromosome, it is known as episome.