MCQOPTIONS
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				| 1. | 
                                    The MK gene used in the development of transgenic mice was injected into fertilized eggs in the presence or absence of _________ ions. | 
                            
| A. | Calcium | 
| B. | Cadmium | 
| C. | Phosphorus | 
| D. | Sulphur | 
| Answer» C. Phosphorus | |