Question
Biology Question on the molecular basis of inheritance
Transformation was discovered by
A
Meselson and Stahl
B
Hershey and Chase
C
Griffith
D
Watson and Crick.
Answer
Griffith
Explanation
Solution
Transformation was studied by S.F. Griffith in 1928.
- While studying Streptococcus Pneumonia, he found that R-Type non-virulent bacteria pick up virulence from heat-killed virulent S-type bacteriato transform into virulent forms.
- This experiment indicated the presence of a 'transforming principle' which was later found to be DNA.
Option C) Griffith is the correct answer.