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Question
What is the source of Ti plasmid used in genetic engineering?
What is the source of Ti plasmid used in genetic engineering?
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Solution
The correct option is C Agrobacterium tumefaciens
Agrobacterium tumefaciens is a Gram-negative bacterium which is rod-shaped and motile. The bacterium causes crown gall disease (tumour like growth in the crown region) in many dicots. A plasmid called Ti plasmid (tumour inducing plasmid) is present in tumour cells of Agrobacterium tumefaciens, which integrates it tumour causing gene (tRNA) Into the host genome resulting into gall formation in crown region, Ti plasmid Is extensively used in genetic engineering and currently is being used in genetic modification of plants like cotton, tomatoes, potato, rice, maize, etc.
Agrobacterium tumefaciens is a Gram-negative bacterium which is rod-shaped and motile. The bacterium causes crown gall disease (tumour like growth in the crown region) in many dicots. A plasmid called Ti plasmid (tumour inducing plasmid) is present in tumour cells of Agrobacterium tumefaciens, which integrates it tumour causing gene (tRNA) Into the host genome resulting into gall formation in crown region, Ti plasmid Is extensively used in genetic engineering and currently is being used in genetic modification of plants like cotton, tomatoes, potato, rice, maize, etc.
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