The Transduction Experiments Done by Hershey and Chase,and the Transformation

The transduction experiments done by Hershey and Chase,and the transformation experiments done by Griffith,supported the same conclusion,which was that

A) pathogenic molecules affect the health of all living organisms.
B) DNA is the molecular substance of genetic inheritance.
C) organisms must be sacrificed for science to progress.
D) genetic recombination in living organisms is rare.