Report Abuse. type of RNA virus that, unlike other RNA viruses, reproduces by transcribing itself into DNA. An enzyme called reverse transcriptase allows a retrovirus's RNA to act as the template for this RNA-to-DNA transcription.The resultant DNA inserts itself into a cell's DNA and is reproduced along with the cell and its daughters.NA viruses have reverse transcriptase making them a retrovirus. Example is HIV. A virus can either be DNA virus or RNA virus but not both... Mike · 9 years ago.