 
			 
			MCQOPTIONS
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				| 1. | Which of the following proteins in fruit fly play the major function of dorsoventral polarity of the fly embryo? | 
| A. | Toll | 
| B. | NEF1 | 
| C. | Transposons | 
| D. | Linker DNA | 
| Answer» B. NEF1 | |