User:Boydak13/Environmental Epigenetics - Nutrition
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Environmental Epigenetics - Nutrition
Overview:
Epigenetics is the defined as the study of how different factors can create variation of phenotypes (physical attributes/characteristics) without changing the base-pair nucleotide sequence of an organism's genes((REWORD)Cite Textbook). The base pair nucleotides (Adenine, Thymine, Guanine, and Cytosine) pair together to form DNA structures. The environment can change how many organisms such as plants, animals, bacteria, and even humans, develop and continue to grow. There are three environmental agents that can cause phenotypes to be altered, including Direct Transcriptional Regulation, Neuroendocrine system, and Direct Induction. The most influential factors that affect environmental epigenetics are behaviors, nutrition, and chemical exposure.
Nutrition is one of the factors that most commonly affects organisms, especially humans. The development of a fetus, especially during utero, are heavily affected by the mother's intake of nutrients. The nervous system receives signals from the environment, then the nervous system releases chemical signals, altering the hormone production within organisms. The produced hormones can alter how our genes are expressed and how it eventually creates the phenotypes for that organism.
Examples of Nutritional Epigenetics
Royal Jelly
Horn Length of the Male Dung Beetle