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Question

Which one of the following is commonly used in transfer of foreign DNA into crop plants?

A
Penicillium expansum
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B
Trichoderma harzianum
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C
Meloidogyme incognita
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D
Agrobacterium tumefaciens
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Solution

The correct option is D Agrobacterium tumefaciens
Generally two methods are used to transfer foreign DNA into plants. While, one method makes use of a gene gun to deliver new traits into a plant, more than often geneticist make use of the plant pathogen called as Agrobacterium tumefaciens for transferring foreign genes into a plant. The use of this bacteria causes the crown gall disease.
Thus, the correct answer is option D.

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