Epigenetic is the result of an inhibited gene by tiny chemical group hindering its function. The hindering of the gene keeps it DNA but alters its functioning. Epigenetics give the cell identity. Example epigenetic gives the cell shape. Epitasis occurs when another gene drastically reduces one of the gene functionalities. For example, the metho group, suppress weight addition by the slim mice.
Nature affects the development of an individual. The physical place an individual grows determines the food one eats. The physical area may favor the prevalence of a particular disease. Two individuals’ may be identical twins. However, due to nature one is more likely to suffer an illness regardless of the similarities epigenetically. Example from video one is diagnosed with cancer while her twin is not. The mice are genetically identical but different in their size and color.
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Nurture affect the genes and epigenetic of an animal. As the time difference increases the epigenome difference also increases. The DNA genes remain the same. Lifestyle change is the primary cause of the difference. Epigenome change with what we eat, drink, or smoke, unlike the genes. Identical twins with different nurture have the same gene but different epigenome.
Evolution is also a factor in epigenome development. The gene continues to vary as the age increase. The genome of six-year-old twins significantly overlaps. The overlapping indicates substantial similarity. The genome of sixty-six-year-old twin is lower in overlapping compared to that of six years old. This is due to evolution with age.
Epigenomes is heredity. Being heredity, epigenome, it’s not necessary for them to be prominent. A certain epigenome can be noticeable in one identical twin and subtle on the other. Depending on the environment one grows in the epigenome may differ from that of his/her twin. The difference is due to food, drinks, and other physical aspects.
Reference
"Epigenetics | PBS Learningmedia". PBS Learningmedia , 2018, https://www.pbslearningmedia.org/resource/biot09.sci.life.gen.epigenetics/epigenetics/. Accessed 6 Nov 2018.
