What type of virus uses rna, and not dna, as it's genetic material?

The correct answer is Retroviruses.

Explanation:

A virus having RNA as genetic material known as Retroviruses. These viruses have an enzyme, reverse transcriptase. Reverse transcriptase provides them the unique feature of transcribing RNA into DNA after the invasion into the host cell.

Retroviruses cells are either double-stranded DNA or single-stranded RNA. The examples of retroviruses are HIV, human T-lymphotropic virus type 1 (HTLV-1), and human T-lymphotropic virus type 2 (HTLV-II).

answer; heredity;