Which scientists first gave experimental evidence that DNA is the genetic material?

(1) Avery, MacLeod , and McCarty who repeated the transformation experiments of Griffith, and chemically characterized the transforming principle.

(2) Garrod, who postulated that Alcaptonuria, or black urine disease, was due to a defective enzyme.

(3) Beadle and Tatum, who used a mutational and biochemical analysis of the bread mold Neurospora to extablish a direct link between genes and enzymes. 

(4) Meselson and Stahl who showed that DNA is replicated semiconservatively.

To view Explanation, Please buy any of the course from below.
Complete Question Bank + Test Series
Complete Question Bank

Difficulty Level: