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retropack
retroposon
retropulsion
retrorocket
retrorse
retrospect
retrospective
retrosynthetic
retrotransposon
retroussé
retroversion
retrovirus
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Rett syndrome
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retrotransposon

ret·ro·trans·pos·on [ rèttrō trans pṓzən ] (plural ret·ro·trans·pos·ons)


noun 
Definition:
 
duplicating DNA segment: a segment of DNA transposon that duplicates itself by first making an RNA copy and then a DNA copy, which can reintegrate into the DNA of the cell

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