The final proof for $DNA$ as the genetic material came from the experiments of
Hershey and Chase
Avery, MacLeod and McCarty
Hargobind Khorana
Griffith.
$A :$ DNase can inhibit the process of transformation.
$R :$ Transformation is absorption of $DNA$ segment from the surrounding medium by a living bacterium
You are repeating the Hershey-Chase experiment and are provided with two isotopes: $^{32}P$ and $^{15}N$ (in place of $^{35}S$ in the original experiment). How do you expect your results to be different ?
Chemically $DNA$ differs from $RNA$ in having
Who proved first time that $DNA$ is a genetic material
Definitions/Explanation : Bacteriophages & $DNA$