Question
Biology Question on the molecular basis of inheritance
Transformation experiment was first performed on which bacteria:-
A
E. coli
B
Diplococcus pneumoniae
C
Salmonella
D
Pasteurella pestis
Answer
Diplococcus pneumoniae
Explanation
Solution
Transformation involves transfer of genetic material of one bacterial cell into another bacterial cell by some unknown mechanism and it converts one type of bacterium into another type. This was first studied by Griffith (1928) in Diplococcus pneumoniae and hence is known as Griffith effect.