Advertisements
Advertisements
Question
How has man exploited cry proteins to his benefit?
Advertisements
Solution
The genes cry I Ac and cry II Ab encode proteins that control cottonbollworms, while cry I Ab controls corn borer. Plants having these proteins have natural insect resistance, making them a biopesticide.
APPEARS IN
RELATED QUESTIONS
Describe any three potential applications of genetically modified plants.
Which part of the plant is best suited for making virus-free plants and why?
Answer the following question.
List one advantage and one disadvantage of an apomictic crop.
Bt Cotton is resistant to ______.
Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produces (in the host cells).
Gene expression can be controlled with the help of RNA. Explain the method with an example.
Highlight any four areas where genetic modification of plants has been useful.
You have identified a useful gene in bacteria. Make a flow chart of the steps that you would follow to transfer this gene to a plant.
Explain with the help of one example how genetically modified plants can:
- Reduce usage of chemical pesticides
- Enhance nutritional value of food crops
The main objective of the production of pest-resistant GM crops is to ______.
