Match List I with List II
| LIST I | LIST II |
|---|---|
| A. Bacillus thuringiensis | I. Synthetic Human Insulin |
| B. Agrobacterium | II. ADA gene therapy |
| C. E. coli | III. Cry gene |
| D. Retroviral Vector | IV. Vector carrying nematode-specific genes |
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → A-III, B-IV, C-I, D-II
(A) Bacillus thuringiensis — this matches (III) Cry gene. This bacterium carries the cry genes, which code for the insecticidal Bt toxin; they were put into cotton and corn to make Bt crops.
(B) Agrobacterium — this matches (IV) Vector carrying nematode-specific genes. Agrobacterium naturally transfers DNA into plant cells, so it was used to carry the nematode genes into tobacco for RNA interference.
(C) E. coli — this matches (I) Synthetic Human Insulin. Eli Lilly put the DNA for chains A and B of insulin into plasmids of E. coli; the chains were made separately and joined to form human insulin.
(D) Retroviral Vector — this matches (II) ADA gene therapy. In 1990 a functional ADA gene was put into the lymphocytes of a child with ADA deficiency using a retroviral vector; the cells were then returned to the child.