MCQOPTIONS
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| 1. |
For gene trap vector system, reporter gene and _____ are present. Reporter gene is _____ |
| A. | selectable marker, having promoter |
| B. | selectable marker, promoterless |
| C. | helper phage, promoterless |
| D. | helper phage, having promoter |
| Answer» C. helper phage, promoterless | |