Which one of the following is commonly used in the transfer of foreign DNA into crop plants?
A
Penicillium expansum
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B
Trichoderma harzianum
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C
Meloidogyne incognita
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D
Agrobacterium tumefaciens
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Solution
The correct option is D Agrobacterium tumefaciens Agrobacterium tumefaciens is commonly used in the transfer of foreign DNA into crop plants.
Penicillium expansum is the causative agent of post-harvest rots in apples.
Meloidogyne incognita is a species of nematodes.
Trichoderma harzianum is a fungus that is also used as a fungicide.