Introduction Growth and growth disorders Adrenal disorders and sexual development abnormalities Thyroid disorders Disorders of calcium and phosphorus metabolism Diabetes mellitus and hypoglycemia Other disorders: obesity, autoimune
Muscle cells But if in the same organIsm, should have the same DNA per Nerve cells( cell Different cells have different clusters of genes active Development and differentiation of embryos is controlled by signaling molecules that alter gene expression in cells
What is Chromatin remodeling Chromatin remodeling(染色质重构)isan important epigenetic mechanism. Chemical modification of the protruding histone tails by the addition of acetyl methyl or phosphate groups can alter chromatin structure, which in turn influences the activity of adjacent genes