Answer :
Transposition is a genetic mechanism through which mobile genetic elements, such as transposons or jumping genes, can move or "transpose" from one location to another within a genome. Correct Answer: C) Transposition
The findings described in the question can best be explained by the process of transposition. Transposition is a genetic mechanism through which mobile genetic elements, such as transposons or jumping genes, can move or "transpose" from one location to another within a genome. When a bacterial strain is initially transformed with a plasmid containing a transposon, it may insert into a single site in the bacterial chromosome. However, transposons are capable of moving within the genome, and during the process of bacterial replication and cell division over multiple generations, the transposon can "jump" to different sites in the bacterial chromosome, leading to its insertion at multiple locations.
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Complete Question
Following the transformation of a bacterial strain with a plasmid containing a transposon, you sequence an individual bacterial genome and see that the transposon is inserted at a single site in the bacterial chromosome. You allow the transformed strain to grow for multiple generations, sequence an individual bacterial genome again, and find the transposon is now inserted at multiple sites in the bacterial chromosome. What concept best explains these findings?
A) Genetic drift
B) Natural selection
C) Transposition
D) Bacterial conjugation
