found: Work cat: Zhu, R. Growth, morphology, and in vitro development of transgenic poplars with RNAi-inhibited PtDDM1-1/2 gene expression, 2011.
found: McGraw-Hill dictionary of scientific and technical terms, 2003:(Epigenetics: the study of those processes by which genetic information ultimately results in distinctive physical and behavioral characteristics)
found: Wikipedia, accessed Oct. 24, 2011:(epigenetics; the study of heritable changes in gene expression or cellular phenotype caused by mechanisms other than changes in the underlying DNA sequence. Examples of such changes might be DNA methylation or histone deacetylation, both of which serve to suppress gene expression without altering the sequence of the silenced genes)
found: Francis, R. Epigenetics : the ultimate mystery of inheritance, 2011.
found: Epigenetics : linking genotype and phenotype in development and evolution, 2011.