| Consider the following statements. Which of the statements given below are correct? |
| (I) In earlier days, insulin extracted from pancreas of slaughtered cattle and pigs was more efficient than genetically engineered insulin. |
| (II) PCR technique is being used for the detection of HIV and genetic mutations, in suspected cancer patients. |
| (III) Cystic fibrosis, haemophilia, cancer, Parkinson's disease etc., are treated by gene therapy. |
A) (I) and (II)
B) (I) and (III)
C) (II) and (III)
D) (I), (II) and (III)
Correct Answer: C
Solution :
Earlier insulin was extracted from the pancreas of slaughtered cattle and pigs but some patients began developing allergies. The injection of this insulin into patients occasionally produces sensitivity reactions and side effects.
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