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 all transcribed as a single unit.D.A single repressor is able to turn off several related genes.E.Environmental signals enter the cell and bind directly to promoters.

The statement 'a specific combination of control elements in each gene’s enhancer coordinates the simultaneous activation of the genes' about eukaryotic cells is TRUE (Option A).

An enhancer is a short DNA fragment that controls the expression of multiple genes (also called linkage blocks) in eukaryotic cells.

These enhancers are bound by specific transcription factors known as activators to increase the chance of transcription.

Enhancers work together with gene promoter sequences to activate transcription of specific genes.

In conclusion, the statement 'a specific combination of control elements in each gene’s enhancer coordinates the simultaneous activation of the genes' about eukaryotic cells is TRUE (Option A).

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