. The transformation was discovered by

Best Answer

Explanation- 

Frederick Griffith performed an experiment on Streptococcus pneumoniae, bacteria that causes pneumonia in humans. 

1. He takes two strains of S. pneumoniae, S-strain (smooth strain) secretes a polysaccharide capsule 
2. R-strain (which does not produce a polysaccharide capsule). 
3. He infects the mouse with the strains and gets the following results-

4. He concluded that something from the dead S-type bacteria transformed the type-R bacteria into S-type bacteria. 
5. Griffith called this process transformation and the unidentified substance causing this transformation was termed the transformation principle. 

Final Answer-

So, The correct option is C. 

The transformation was discovered by Frederick Griffith.