Two bacteria found to be very useful in genetic engineering experiment are

Options

A. Nitrosomonas and Klebsiella
B. Escherichia and Agrobacterium
C. Nitrobacter and Azotobacter
D. Rhizobium and Diplococcus

Answer

B

Explanation

Genetic engineering using tools like conjugation and transduction allow scientist to genetically engineer E-coli strains. Agro-bacterium tumefactions used horizontal gene transfer to cause tumors in plants.