Question
Biology Question on Applications of Biotechnology
“Transforming Principle” was given by:
A
Maclyn McCarty
B
Frederick Griffith
C
Alfred Hershey
D
Watson and Crick
Answer
Frederick Griffith
Explanation
Solution
Frederick Griffith discovered the 'Transforming Principle' in 1928 through his experiments with Streptococcus pneumoniae. He observed that non-virulent strains could be transformed into virulent strains when exposed to heat-killed virulent cells, indicating the presence of a transferable genetic material.