DNA methylation _____.
A) modifies gene function in the fetus during late pregnancy
B) activates gene expression
C) is an abnormal part of development
D) is needed for cellular differentiation
E) is unaffected by nutritional intake

Question

Quizplus · Accepted Answer

DNA methylation is a process that adds a methyl group to DNA, often at cytosine residues, and plays a critical role in cellular differentiation. It is necessary for the selective expression of certain genes in different cell types during development.

DNA Methylation _____