One proposal is that antisense RNAs are involved in regulating gene expression through RNA-RNA base pairing.A few DNA sequences in prokaryotes and eukaryotes, and more in plasmids and viruses, blur the distinction between sense and antisense strands by having overlapping genes.. 
Bákana Brasil tún jẹ́ ìkan nínú àwọn àwọn orílẹ̀-èdè olóhùn-oríṣiríṣi 17, ibẹ̀ jẹ́ ilẹ̀ fún àwọn oríṣi ẹran ìgbẹ́, àyíká àdánidá, ọ̀pọ̀ àwọn àlùmọ́nì àdánidá níbi oríṣi ibi abo.. 