Gene Imprinting
Epigenetic chromosomal modification that results in parent-of-origin monoallelic expression
Imprinted genes: IGF2, M6P/IGF2R (mice), NOEY2, H19, PEG1/MEST, PEG3
Mechanisms: methylation of promoter (NNAT) or other control elements (M6P/IGF2R; other mechanisms