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A
linear DNA molecule with the same sequence (genetic information) at
each end.
If genetic information is represented by
ABCDEFGH
then a terminally redundant sequence can be for instance
ABCDEFGHAB.
Terminal redundancy is seen in some phages (eg T2) and is generated
because a phage head is capable of containing a DNA molecule larger
than the complete genome and packaging of DNA into phage heads is
determined by the headful. These phages also show circular permutation.
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