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Question
Pathogenic entity that is responsible for the production of tumour in most dicot plants is
Pathogenic entity that is responsible for the production of tumour in most dicot plants is
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Solution
The correct option is D Ti plasmid
Agrobacterium is a genus of Gram-negative bacteria that causes tumors in plants. Agrobacterium tumefaciens is the most commonly studied species in this genus. It contains "Ti" plasmid or tumor inducing plasmid, that causes crown-gall disease in plants. The disease is characterised by a tumour-like growth or gall on the infected plant, often at the junction between the root and the shoot. Tumors are incited by the conjugative transfer of a DNA segment (T-DNA) from the bacterial tumour-inducing (Ti) plasmid to the plant cell naturally when the bacterium infects the plant through a wound.
So, the correct answer is 'Ti plasmid'
Agrobacterium is a genus of Gram-negative bacteria that causes tumors in plants. Agrobacterium tumefaciens is the most commonly studied species in this genus. It contains "Ti" plasmid or tumor inducing plasmid, that causes crown-gall disease in plants. The disease is characterised by a tumour-like growth or gall on the infected plant, often at the junction between the root and the shoot. Tumors are incited by the conjugative transfer of a DNA segment (T-DNA) from the bacterial tumour-inducing (Ti) plasmid to the plant cell naturally when the bacterium infects the plant through a wound.
So, the correct answer is 'Ti plasmid'
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