________ are regulatory elements that affect genes at nearby sites on the same chromosome.
A) Cis regulatory elements
B) Trans regulatory elements
C) Enhancers
D) Silencers

Question

Quizplus · Accepted Answer

Cis regulatory elements are DNA sequences that are located on the same chromosome as the genes they regulate. They can affect nearby genes in a variety of ways, including by increasing or decreasing transcription rates.

B, C, and D are incorrect because trans regulatory elements affect genes on different chromosomes, enhancers increase gene expression, and silencers decrease gene expression.

________ Are Regulatory Elements That Affect Genes at Nearby Sites