Question

Explain composite and non-composite transposons.

Answer 1

(1) Bacterial Insertion Sequences:

Insertion Sequences or Insertion-Sequence (IS) Elements:

Insertion sequences, or insertion-sequence (IS) elements, are now known to be segments of bacterial DNA that can move from one position on a chromosome to a different position on the same chromosome or on a different chromosome. An IS element contains only genes required for mobilizing the element and inserting the element into a chromosome at a new location. Is elements are normal constituents of bacterial chromosome and plasmids.

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Answer 2

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