Q. With reference to “Gene Editing” consider the following statements:
1.It refers to the addition of the haemoglobin A to the stem cell.
2.It is a process to remove, disrupt or correct faulty elements of DNA within the gene rather than replacing the gene. 
Which of the statements given above are correct?

[A] 1 only

[B] 2 only

[C] Both 1 and 2

[D] Neither 1 nor 2

Answer: B
Notes:

Statement 1 is incorrect. The addition of the haemoglobin A to the stem cell is known as gene addition.

Statement 2 is correct. Gene Editing is a process to remove, disrupt or correct faulty elements of DNA within the gene rather than replace the gene. There are two types of Gene Editing: Gene Silencing and Gene Correction.

Source: ForumIAS

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