Insertion Sequence Element Transposable Elements Transposon DNA transposable elements IS Elements Tn Elements DNA Transposable Element Transposable Element TE DNA Transposon DNA Transposons DNA Insertion Element Insertion Sequence Elements Tn Element IS Element DNA transposable elements are contiguous stretches of genomic DNA that can change the number of their copies in the genome or move their position in the genome, often affecting the activity of nearby genes. Many are inactive in the absence of autonomous transposable elements encoding the transposase catalyzing the excision, insertion or copying of the element. DNA Insertion Elements DNA transposable elements onto_subjects