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The Sequence Types and Features Ontology (SO) is downloaded weekly from the SourceForge CVS repository at For more information about this ontology, see the Sequence Ontology Home Page at

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Accession:SO:0000180 term browser browse the term
Definition:A transposable element that is incorporated into a chromosome by a mechanism that requires reverse transcriptase.
Synonyms:exact_synonym: class I transposon;   retrotransposon element
 related_synonym: class I
 xref: "wiki"

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Term paths to the root
Path 1
Term Annotations click to browse term
  SO ontology 0
    sequence_feature 0
      region 0
        biological_region 0
          mobile_genetic_element 0
            integrated_mobile_genetic_element 0
              transposable_element 0
                retrotransposon 0
                  LTR_retrotransposon + 0
                  non_LTR_retrotransposon + 0
paths to the root