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प्रश्न
Higher Order Thinking Skill (HOT)
Polyploids are characterised by gigantism. Justify your answer.
उत्तर
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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संबंधित प्रश्न
Which method of crop improvement can be practised by a farmer if he is inexperienced?
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The process of producing an organism with more than two sets of chromosome is called mutation.
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In vitro fertilisation means the fertilisation done inside the body.
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With a neat labelled diagram explain the techniques involved in gene cloning.
Higher Order Thinking Skill (HOT)
‘P’ is a gene required for the synthesis of vitamin A. It is integrated with genome of ‘Q’ to produce genetically modified plant ‘R’.
- What is P, Q and R?
- State the importance of ‘R’ in India.
