We know about nongenetic RNA which results from process of transcription? Reverse transcription of messenger RNA yields complementary DNA which is capable of becoming double-stranded. Would it be alright to call it nongenetic DNA?
Dear Arthur: Thanks for your answer. Genetic DNA is the one that is responsible for transmission of biological properties of an organism from one generation to the next. Nongenetic DNA (if any) would not be be able to do so. We are here talking about it if it occurs in nature.
Dear Arthur: Thanks for your answer. I am here referring to the complementary DNA which acts as an intermediate in RNA viruses.
Dear Arthur: Thanks for adding answer. After looking into cDNA aspect in retroviruses I shall get back to you on this.
Dear Arthur: After looking into role of complementary DNA in the life cycle of a typical retrovirus, I am fully convinced that this cDNA by all criteria is genetic, i.e., any change in it is heritable. So I think there is nothing like nongenetic DNA in a cell.
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