extrachromosomal_mobile_genetic_element
viral_sequence
SO:0001041
The definitions of the children of this term were revised Decemeber 2007 after discussion on song-devel. The resulting definitions are slightly unweildy but hopefully more logically correct.
The region of nucleotide sequence of a virus, a submicroscopic particle that replicates by infecting a host cell.
sequence
viral sequence
virus sequence
replicon