Which one of the following discoveries involving DNA happened first?

AAvery discovered that DNA was responsible for storing and passing information through generations.
BGriffith learned that a chemical changed harmless cells into harmful cells.
CChargaff discovered that base pairing was consistent in samples of DNA.
DHershey and Chase used bacteriophages to confirm that DNA was the genetic material in genes.


Verified Answer :

The answer is (A.) Avery discovered that DNA was responsible for storing and passing information through generations.

Avery is correct. DNA serves as a storage if genetic information and passed it through generations. The DNA strands replicate and each strand serves as a template for duplication during the cell division. Therefore, DNA is the reason for biological continuity.