What would be the effect of moving the insulator shown in Figure 17.8 to a posit

Question

What would be the effect of moving the insulator shown in Figure 17.8 to a position between Enhancer II and the promoter for gene B?

The newly positioned insulator will allow the enhancer II to hyperactivate gene B transcription. The new positioning of the insulator will not have any effect on the transcription of gene B. Enhancer II will still be able to stimulate the transcription of gene B, as enhancers are known to be able to exert an effect, even from a distance. The newly positioned insulator is going to prevent enhancer II from stimulating the transcription of gene B.

Explanation / Answer

D. The newly positioned insulator is going to prevent enhancer II from stimulating the transcription of gene B.

If the insulator is moves to a position between Enhancer II and the promoter for gene B, it would prevent the enhancer II from stimulating the transcription of gene B.

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