This Slang page is designed to explain what the meaning of cereal is. The slang word / phrase / acronym cereal means... . Online Slang Dictionary. A list of slang words and phrases, idioms, jargon, acronyms, and abbreviations.
Fast Facts: 1  Alterations to chemicals attached to DNA, known as epigenetic changes, affect how genes do their work and have been linked to colon cancer. 2  A new study of six different cancer types found distinctive epigenetic changes in all of them.These insights into the cancer epigenome could provide a foundation for development of early screening or preventive treatment for cancer,â Timp says, suggesting that the distinctive methylation âfingerprintâ could potentially be used to tell early-stage cancers apart from other, harmless growths.
Epigenetic mechanisms. Epigenetics is the study, in the field of genetics, of cellular and physiological phenotypic trait variations that are caused by external or environmental factors that switch genes on and off and affect how cells read genes instead of being caused by changes in the DNA sequence.xamples of mechanisms that produce such changes are DNA methylation and histone modification, each of which alters how genes are expressed without altering the underlying DNA sequence. Gene expression can be controlled through the action of repressor proteins that attach to silencer regions of the DNA.