A cis-regulatory series that will increase the pastime of a gene while certain via way of means of transcription elements is referred to as an enhancer, even as a series that reasons a lower in gene pastime is referred to as a silencer.
Regulatory DNA factors consisting of enhancers, silencers and insulators are embedded in metazoan genomes, and that they manage gene expression in the course of development. Although they fulfil special roles, they percentage precise properties. Silencers are regulatory DNA factors that lessen transcription from their goal promoters.
To learn more about enhancers check the link below:
https://brainly.com/question/14958292
#SPJ4