IGCSE Chemistry

Thursday, March 19, 2020

5.15 understand how genetically modified plants can be used to improve food production

Genetically Modified Plants
Method:
1. The same restriction enzyme used to cut the gene for pest-killing protein is used to cut plant DNA.
2. Sticky ends of the gene and the plant DNA overlap via complementary base pairs and are joined together by ligase enzyme.
3. Recombinant DNA is formed and inserted into the plant cell.
4. This transgenic plant is grown to express pest-resistant properties and is now a genetically modified plant.

Genetically Modified Plants:
- allows plants to possess advantageous characteristics
- allows plants to have higher chances of survival
- allows farmers to produce a greater yield of crops
- allows plants to be grown at any time of the year

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