Which of the following mechanisms is used to coordinate the expression of multiple,related genes in eukaryotic cells?
A)A specific combination of control elements in each gene's enhancer coordinates the simultaneous activation of the genes.
B)The genes share a single common enhancer,which allows appropriate activators to turn on their transcription at the same time.
C)The genes are organized into large operons,allowing them to be transcribed as a single unit.
D)A single repressor is able to turn off several related genes.

Question

Quizplus · Accepted Answer

A specific combination of control elements in each gene's enhancer coordinates the simultaneous activation of the genes. This is known as enhancer sharing, where a group of genes share the same enhancer or set of enhancers, and the activation of these enhancers results in the coordinated transcription of all the genes they control. This mechanism is often used to regulate the expression of related genes involved in the same pathway or cellular process, ensuring they are expressed together and at the appropriate levels. Options B and C are not typically found in eukaryotic cells, and while option D is possible, it is not the main mechanism used to coordinate the expression of multiple related genes.

Which of the Following Mechanisms Is Used to Coordinate the Expression