Methylation is a process that is used to control gene expression, and it is what determines the timing of gene expression
{"Image DocumentName": "Methylation is a process that is used to control gene expression, and it is what determines the timing of gene expression", "Image ImageDescription": "(as in embryologic development, in which genes are turned on and off in a sequential fashion), inactivation of an X-chromosome in a female ( Lyonization ), and, in mammals, differential expression of certain genes depending upon whether they are maternally- or paternally-derived ( genomic imprinting ).", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}