Polyploids are characterised by gigantism.

1.	Polyploids are characterised by gigantism.
Answer» An organism having more than 2 sets of chromosomes is called polyploid. It can be induced by physical events such as heat or cold treatment, X – rays and chemical agents like colchicine. Polyploid cell or organism has three or more times the haploid chromosomal number. Polyploid has a major role in the evolution of both wild and cultivated plants. Polyploid has a key role in plant breeding. There are increase and increased woodiness which has been observed in some insular plants. So polyploids are characterized by gigantism.

Answer»

An organism having more than 2 sets of chromosomes is called polyploid. It can be induced by physical events such as heat or cold treatment, X – rays and chemical agents like colchicine. Polyploid cell or organism has three or more times the haploid chromosomal number.

Polyploid has a major role in the evolution of both wild and cultivated plants. Polyploid has a key role in plant breeding. There are increase and increased woodiness which has been observed in some insular plants. So polyploids are characterized by gigantism.

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