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Question

The organism, which is used for gene transfer in higher organism is

A
Agrobacterium tumefaciens
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B
E.coli
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C
Acetobacter aceti
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D
Bacillus thuringiensis
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Solution

The correct option is A Agrobacterium tumefaciens
Agrobacterium tumefaciens is a pathogen of several dicot plants. It is used for the gene transfer in higher organisms. It is able to deliver a piece of DNA known as 'T-DNA' to transform normal plant cells into a tumor and direct these tumor cells to produce the chemicals required by the pathogen. This bacterium invades plants at the site of wound, transforming them and nearby cells to form a tumor called crown gall.

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