What is genetic engineering?
Name three processes involved in genetic engineering - Leaving Cert Biology - Question 6 - 2009
Question 6
What is genetic engineering?
Name three processes involved in genetic engineering.
1.
2.
3.
Give an example of an application of genetic engineering in each of th... show full transcript
Worked Solution & Example Answer:What is genetic engineering?
Name three processes involved in genetic engineering - Leaving Cert Biology - Question 6 - 2009
Step 1
What is genetic engineering?
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Answer
Genetic engineering is the manipulation or alteration of genes or genotypes to introduce desired traits, enhance certain characteristics, or correct genetic defects.
Step 2
Name three processes involved in genetic engineering.
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Isolation or cutting (or restriction) of DNA segments.
Transformation or ligation to insert the DNA into a vector.
Introduction of base sequence changes or expression of the newly inserted genes.
Step 3
Give an example of an application of genetic engineering in each of the following cases:
1. A micro-organism.
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An example of genetic engineering in a micro-organism is the use of genetically modified E. coli bacteria to produce insulin.
Step 4
2. An animal.
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An example of genetic engineering in an animal is the creation of genetically modified mice that are used for biomedical research.
Step 5
3. A plant.
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An example of genetic engineering in a plant is the development of Bt corn, which is genetically modified to express a bacterial toxin that protects it from certain pests.
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