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With reference to the 'Site Directed Nuclease (SDN) 1 and 2' technology, consider the following statements:
1. It aims to bring precision and efficiency into the breeding process using gene editing tools such as CRISPR.
2. It would allow the development of genetically modified crops without the need for conventional transgenic technology.
3. The developer of gene editing tool CRISPR won the Nobel Prize for Chemistry in 2020.
Which of the statements given above is/are correct?
  • a)
    1 only
  • b)
    1 and 3 only
  • c)
    2 only
  • d)
    1, 2 and 3
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
With reference to the Site Directed Nuclease (SDN) 1 and 2 technology,...
  • The Indian Agricultural Research Institute (IARI) has now moved to newer technologies such as Site Directed Nuclease (SDN) 1 and 2.
    • New technique aims to bring precision and efficiency into the breeding process using gene editing tools such as CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats). Hence, statement 1 is correct.
      • Emmanuelle Charpentier and Jennifer Doudna won the Nobel Prize for Chemistry in 2020 for the development of the CRISPR tool. Hence, statement 3 is correct.
  • SDN genome editing involves the use of different DNA-cutting enzymes (nucleases) that are directed to cut the DNA at a predetermined location by a range of different DNA binding systems.
    • After the cut is made, the cell’s own DNA repair mechanism recognizes the break and repairs the damage, using one of two pathways that are naturally present in cells.
    • It involves the use of gene editing tools to directly tweak (improve\change) the plant’s own genes instead.
    • It would allow plants to be genetically modified without the need for conventional transgenic technology. Hence, statement 2 is correct.
  • A research coalition under the Indian Council of Agricultural Research (ICAR), which includes the IARI, is using these techniques to develop rice varieties which are drought-tolerant, salinity-tolerant and high-yielding. They could potentially be ready for commercial cultivation within three years.
    • The IARI has previously worked on golden rice, a traditional GM variety which inserted genes from other organisms into the rice plant, but ended trials over five years ago due to agronomic issues.
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Community Answer
With reference to the Site Directed Nuclease (SDN) 1 and 2 technology,...
Introduction:
The Site Directed Nuclease (SDN) 1 and 2 technology is a gene editing tool that aims to bring precision and efficiency into the breeding process using tools such as CRISPR. It has the potential to revolutionize agriculture by allowing the development of genetically modified crops without the need for conventional transgenic technology. Additionally, the developer of the gene editing tool CRISPR was awarded the Nobel Prize for Chemistry in 2020. Let's analyze each statement in detail:

Statement 1:
It aims to bring precision and efficiency into the breeding process using gene editing tools such as CRISPR.
This statement is correct. Site Directed Nuclease (SDN) 1 and 2 technology is a gene editing tool that utilizes the CRISPR-Cas9 system to introduce precise modifications in the DNA of organisms. CRISPR-Cas9 is a powerful tool that allows scientists to edit specific genes, enabling the precise manipulation of traits in plants and animals. By using SDN technology, breeders can introduce desirable traits into crops, such as disease resistance or increased yield, more efficiently and precisely.

Statement 2:
It would allow the development of genetically modified crops without the need for conventional transgenic technology.
This statement is correct. Conventional transgenic technology involves the insertion of foreign genes into the genome of an organism, often using viral vectors or other methods. However, SDN technology enables gene editing without the need for introducing foreign genes. Instead, it allows for precise modifications of existing genes, resulting in genetically modified crops that do not contain foreign DNA. This can address concerns related to the potential risks associated with transgenes, making SDN technology a safer and more acceptable approach for developing genetically modified crops.

Statement 3:
The developer of gene editing tool CRISPR won the Nobel Prize for Chemistry in 2020.
This statement is correct. The Nobel Prize for Chemistry in 2020 was awarded to Emmanuelle Charpentier and Jennifer A. Doudna for the development of CRISPR-Cas9, the gene editing tool that has revolutionized the field of molecular biology and opened up new possibilities for precision genome editing. Their groundbreaking work has paved the way for advancements in various fields, including agriculture, medicine, and biotechnology.

Conclusion:
In conclusion, all three statements are correct. The Site Directed Nuclease (SDN) 1 and 2 technology aims to bring precision and efficiency into the breeding process using gene editing tools such as CRISPR. It allows the development of genetically modified crops without the need for conventional transgenic technology. Furthermore, the developer of the gene editing tool CRISPR, Emmanuelle Charpentier and Jennifer A. Doudna, won the Nobel Prize for Chemistry in 2020 for their groundbreaking work.
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With reference to the Site Directed Nuclease (SDN) 1 and 2 technology, consider the following statements:1. It aims to bring precision and efficiency into the breeding process using gene editing tools such as CRISPR.2. It would allow the development of genetically modified crops without the need for conventional transgenic technology.3. The developer of gene editing tool CRISPR won the Nobel Prize for Chemistry in 2020.Which of the statements given above is/are correct?a)1 onlyb)1 and 3 onlyc)2 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer?
Question Description
With reference to the Site Directed Nuclease (SDN) 1 and 2 technology, consider the following statements:1. It aims to bring precision and efficiency into the breeding process using gene editing tools such as CRISPR.2. It would allow the development of genetically modified crops without the need for conventional transgenic technology.3. The developer of gene editing tool CRISPR won the Nobel Prize for Chemistry in 2020.Which of the statements given above is/are correct?a)1 onlyb)1 and 3 onlyc)2 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? for Current Affairs 2024 is part of Current Affairs preparation. The Question and answers have been prepared according to the Current Affairs exam syllabus. Information about With reference to the Site Directed Nuclease (SDN) 1 and 2 technology, consider the following statements:1. It aims to bring precision and efficiency into the breeding process using gene editing tools such as CRISPR.2. It would allow the development of genetically modified crops without the need for conventional transgenic technology.3. The developer of gene editing tool CRISPR won the Nobel Prize for Chemistry in 2020.Which of the statements given above is/are correct?a)1 onlyb)1 and 3 onlyc)2 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Current Affairs 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for With reference to the Site Directed Nuclease (SDN) 1 and 2 technology, consider the following statements:1. It aims to bring precision and efficiency into the breeding process using gene editing tools such as CRISPR.2. It would allow the development of genetically modified crops without the need for conventional transgenic technology.3. The developer of gene editing tool CRISPR won the Nobel Prize for Chemistry in 2020.Which of the statements given above is/are correct?a)1 onlyb)1 and 3 onlyc)2 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer?.
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