Recombinant DNA technology (Genetic Engineering) allows genes to be transferred 1. across different species of plants 2. from animals to plants 3. from microorganisms to higher organisms Select the correct answer using the codes given below.
Asked in UPSC IAS 2013 · Topic: Genetic Engineering and Biotechnology (Recombinant DNA Technology: Principles, Tools (Restriction Enzymes, Ligases, Vectors))
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- Transfer across different species of plants: Yes, this is common in developing Genetically Modified (GM) crops, for example, transferring herbicide resistance genes between plant species or varieties. 2. From animals to plants: Yes, while perhaps not as common as plant-to-plant or microorganism-to- plant transfers for agricultural purposes, it is technically possible to transfer genes from animals to plants using genetic engineering techniques. This has been explored in research for various purposes. 3. From microorganisms to higher organisms: Yes, this is a very common application. For instance, transferring genes from bacteria (like the Bt gene) to plants for pest resistance (e.g., Bt cotton), or inserting genes from humans into bacteria or yeast for the production of therapeutic proteins like insulin. 159. With reference to the recent developments in science, which one of the following statements is not correct?
- Which one of the following is not property matched?
- Assertion (A): Scientists can cut apart and paste together DNA molecules at will, regardless of the source of the molecules. Reason (R): DNA fragments can be manipulated using restriction endonucleases and DNA ligases.
- Which one of the following is NOT used as a vector for Higher Plants in Genetic Engineering ? - Question not attempted
- Match the List – I with List – II and select the correct answer by using the codes given below the lists : List – I 1. Gene ala 3 2. Antibiosis 3. Teosinte 4. Linkage drag 5. Isolation distance 6. ABO blood group 7. Eco R1 Codes : (1) A B C D E F G (2) E F G D (3) G F E D (4) C F E D List – II A. seed production B. multiple alleles C. antifreeze D. distant hybridization E. maize F. insect resistance G. restriction enzyme
- Which of the following is used in genetically engineered insulin ? - Question not attempted
- The first restriction endonuclease discovered was - - Question not attempted
- Genetic engineering is concerned with - the alteration of (1) Carbohydrates (2) Organic acids (3) Nucleic acids (4) Lipids