Biology

Define DNA methylation

Asked by bookragstutor on 10 Sep 01:34

Last updated by Jill W on 12 Apr 12:48

1 Answers

Answered by Jill W on 12 Apr 12:48

DNA methylation is when the methyl group is added to the 5 position of the cytosine pyrimdine ring (number 6 nitrogen of the adenine purine ring). This can happen naturally through cell division. DNA methylation is a chief component in gene expression.