So too with poo. A poo can take on a variety of appearances and still be considered normal. It can be all manner of shades â from orangey and dark brown to magenta or green from certain veggies or blue from artificially-colored foods and beverages.
Epigenetics is the study of changes in gene activity which are not caused by changes in the DNA sequence. It is the study of gene expression, the way genes bring about their phenotypic effects. These changes in gene activity may stay for the remainder of the cell's life and may also last for many generations of cells, through cell divisions.
epistemic (ËÉpÉªËstiËmÉªk). 1  of or relating to knowledge or epistemology. 2  denoting the branch of modal logic that deals with the formalization of certain epistemological concepts, such as knowledge, certainty, and ignorance. of or relating to knowledge or epistemology. 2  denoting the branch of modal logic that deals with the formalization of certain epistemological concepts, such as knowledge, certainty, and ignorance. . 3  See also doxastic.