Question

Two bacteria commonly employed in genetic engineering are

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

Answer 1

The correct option is B Escherichia and Agrobacterium

Genetic engineering is the process of modifying the genetic makeup of an organism. In this, specific genes from one organism are transferred into the chromosome of another organism. Two bacteria commonly employed in genetic engineering are Escherichia and Agrobacterium. Escherichia is widely used in because it is easy and inexpensive to grow. It is easy to manipulate the genome of Escherichia. Agrobacterium is used because of its ability to transfer genes to plants and fungi due to presence of Ti plasmid.

Thus, the correct answer is 'Escherichia and Agrobacterium.'