Multiple choice The experiments of ______ proved that the genetic material of TMV is RNA. Fraenkel-Conrat Singer Both (1) and (2) Sinnot Reveal answer Fill a bubble to check yourself C Correct answer Explanation Fraenkel-Conrat and Singer separately conducted experiments with Tobacco Mosaic Virus (TMV) that demonstrated RNA carries genetic information by reconstituting infectious virus from its RNA and protein components.