Within a genome,an enhancer may be located
A)upstream of the gene enhanced.
B)downstream of the gene enhanced.
C)within the gene enhanced.
D)choices A, B, and C
E)both choices A and B

Question

Quizplus · Accepted Answer

Enhancers are DNA sequences that enhance or increase the transcription of a specific gene. They can be located upstream or downstream of the gene, and sometimes even within the gene itself. Therefore, the best choice(s) must be both A and B. Choice D, which includes option C, is incorrect as enhancers are not always located within the gene.

Within a Genome,an Enhancer May Be Located