Within a genome, an enhancer may be located A-downstream of the gene enhanced. B-upstream or downstream of the gene enhanced, even within the introns…

Within a genome, an enhancer may be located

A-downstream of the gene enhanced.

B-upstream or downstream of the gene enhanced, even within the introns of other genes.

C-within the introns of other genes.

D-proximal to the gene enhanced.

E-upstream of the gene enhanced.