Question: An enhancer, located upstream from a gene, has the following sequence: 5'-GTAG-3' 3'_CATC-5' This enhancer is orientation-independent. Which of the following sequences also works as

An enhancer, located upstream from a gene, has the following sequence:
5'-GTAG-3'
3'_CATC-5'
This enhancer is orientation-independent. Which of the following sequences also works as an enhancer?
A. 5'-CTAC-3'
3'-GATG-5'
B. 5 '-GATG-3'
3'-CTAC-5'
C. 5'-CATC-3'
3'-GTAG-5'

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