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Eduncle Best Answer
The conservative mode of transposition its is a “cut and paste” mechanism where the whole transposable element is transposed to some other part of the gemone or another locus in the same chromosome. The Replicative mode of transposition is a “copy- paste” mechanism of transposition. An Insertion element codes for a protein. In this case, the intron that was cloned in the transposable element was absent after transposition of the element. This indicates that the element is a retrotransposon. Because, they are first transcribed into RNA, then converted back into identical DNA sequences using reverse transcription, and these sequences are then inserted into the genome at target sites. Introns cannot be transcribed into mRNA. Hence, are lost.