Consider the following statements. I. Earlier, insulin was extracted from pancreas of slaughtered cattle and pigs which was more efficient than the genetically engineered insulin. II. PCR technique is being used for the detection of HIV in suspected AIDS patients and genetic mutations in suspected cancer patients. III. Cystic fibrosis, haemophilia, cancer, Parkinson’s disease, etc., are treated by gene therapy. Which of the above statements are correct?

Question

Consider the following statements. I. Earlier, insulin was extracted from pancreas of slaughtered cattle and pigs which was more efficient than the genetically engineered insulin. II. PCR technique is being used for the detection of HIV in suspected AIDS patients and genetic mutations in suspected cancer patients. III. Cystic fibrosis, haemophilia, cancer, Parkinson’s disease, etc., are treated by gene therapy. Which of the above statements are correct? (A) I and II (B) I and III (C) II and III (D) None of these

Tardigrade Admin · Accepted Answer

Earlier, insulin was extracted from the pancreas of slaughtered cattle and pigs, but some patients began to develop allergies. The injection of this insulin into patients occasionally produces sensitivity reaction and side effects. Hence, it was less efficient than the genetically engineered insulin.