A common epigenetic mechanism that suppresses gene expression is:

Question

Quizplus · Accepted Answer

DNA methylation is a common epigenetic mechanism that can suppress gene expression by adding a methyl group to the cytosine base of DNA, which can prevent transcription factors from binding to the gene promoter and initiating gene expression. Gene mutation, chromosomal trisomy, and latent allele dominance can also affect gene expression, but they do not involve epigenetic modifications.

A Common Epigenetic Mechanism That Suppresses Gene Expression Is