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Question

Natural genetic engineers of plant is:

A
Yeast
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B
Agrobacterium tumefaciens
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C
E.coli
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D
Mycoplasma
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Solution

The correct option is B Agrobacterium tumefaciens
Agrobacterium tumefaciens naturally transfers some part of Ti-plasmid into host plant DNA without any human effort, so it is called natural genetic engineer of plant.

The tumour-inducing (Ti) plasmid of Agrobacterium tumefaciens has now been modified into a cloning vector that is no longer pathogenic to the plants but can still use the mechanisms to deliver genes (disarmed) and are now used to deliver desirable genes.

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