I: | PCR is now used routinely to detect HIV in suspected AIDS patients. |
II: | PCR is being used to detect mutations in genes in suspected cancer patients. |
III: | PCR can detect infections only when symptoms are present. |
1. | Statement I is correct, Statement II is incorrect, Statement III is correct. |
2. | Statement I is incorrect, Statement II is correct, Statement III is correct. |
3. | Statement I is correct, Statement II is correct, Statement III is incorrect. |
4. | Statement I is incorrect, Statement II is incorrect, Statement III is correct. |