Where does methylation of histones occur
CG dinucleotides
What enzymes methylate cytosine
DNA methyltransferases
What affect does methylation of cytosine have?
Direct inhibition of transcription
What is indirect methylation
Repressive (not expressed) chromatin produced by some factor activating MePC2 (which methylates cytosine)
What is an imprinted gene
Only expressed on either a paternal/maternal chromosome