2. Epigenetics: Definition and Overview. For example, one definition from 1982 describes epigenetics as “pertaining to the interaction of genetic factors and the developmental processes through which the genotype is expressed in the phenotype” (Lincoln et al. Epigenetics is the process through which genetic instructions contained in the DNA of organisms are influenced by non-genetic factors. The primary method for epigenetic processes is control of gene expression. Moreover, epigenetics in psychology provides a framework for understanding how the expression of genes is influenced by experiences and the environment to produce individual differences in behavior, cognition, personality, and mental health. 1982). Epigenetics affects how genes are read by cells, and subsequently whether the cells should produce relevant proteins. Psychology Definition of EPIGENESIS: 1.
See more. 1.
See nature-nurture controversy.
The study of epigenetics highlights the complex nature of the relationship between the organism’s genetic code, or genome, and the organism’s directly observable physical… psychology: Epigenetics The term epigenetic is used to describe the dynamic interplay between genes and the environment during the course of development. For example, the COL1A1 gene in DNA is present in all types of cells but “expressed” in skin cells to produce Type 1 Collagen proteins. Epigenetics has many and varied potential medical applications as it tends to be multidimensional in nature. Theory that the features of an organism arise from interaction between genetic and environmental influences. Some control mechanisms are temporary but others are more permanent and can be inherited via epigenetic inheritance. Epigenetics definition, the study of the process by which genetic information is translated into the substance and behavior of an organism: specifically, the study of the way in which the expression of heritable traits is modified by environmental influences or other mechanisms without a change to the DNA sequence. Here are a few important points about epigenetics: Epigenetics Controls Genes. For example, human epidemiological studies have provided evidence that prenatal and early postnatal environmental factors influence the adult risk of developing various chronic diseases and behavioral disorders. Congenital genetic disease is well understood, and it is also clear that epigenetics can play a role, for example, in the case of Angelman syndrome and Prader-Willi syndrome.
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