Which of the following stage is affected by colchicine?
A
Metaphase
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B
Prophase
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C
Interphase
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D
Anaphase
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Solution
The correct option is A Metaphase Organisation of spindle apparatus is an important event of metaphase stage. Colchicine is obtained from Colchicum autumnale. This drug does not allow spindle formation in a cell during cell division. Tubulin is mostly used to form the spindle fibres which is inhibited by the colchicine. It is also known as a mitotic poison.