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Polyoloidy are characterised by gigantis...

Polyoloidy are characterised by gigantism justify your answer.

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An organism having more than two set of chromosome is called polyploidy. It can be induced by physical agents such as heat or cold treatment, X-rays and chemical agents like colchicine. As organisms produced by polyploidy have more than two set of chromosomes they are gigantic.
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Define:- Gigantism

What is Gigantism?