Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 5. molecular basis of inheritance4 Marks
MCQ
Transformation was discovered by
A
Meselson and Stahl
B
Hershey and Chase
✓
Griffith
D
Watson and Crick.
✓
Answer
Correct option: C.
Griffith
c (c) : Transformation was first studied by S.F. Griffith in $1928$ while studying Streptococcus pneumoniae. He found that RType non virulent bacteria pick up virulence from heat killed virulent Stype bacteria and transform into virulent forms. It was this experiment which indicated presence of a ‘transforming principle’ which was later found out to be $DNA$, by Avery et al.
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