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Ti Plasmid

Wild Ti plasm...

Question

Wild Ti plasmid is able to induce tumors in plants due to the presence of:

A

Cancer genes

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B

Phytohormone coding genes

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C

Kanamycin resistance gene

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D

Cry genes

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Solution

The correct option is B Phytohormone coding genes
Wild Ti plasmid is a large plasmid which contains 200 to 800 kilobases. This plasmid contains genes coding for phytohormones such as auxins, cytokinins and opines. Increased production of phytohormones induces uncontrolled growth of cells leading to tumor formation.

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