Epigenetics
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Top Contributors - Lucinda hampton and Chelsea Mclene
Introduction[edit | edit source]
Epigenetics is the study of heritable and stable changes in gene expression that occur through adjustments in the chromosome rather than in the DNA sequence. They do not directly altering the DNA sequence rather epigenetic mechanisms are able to regulate gene expression through chemical modifications of DNA bases and changes to the chromosomal superstructure in which DNA is packaged[1].
Epigenetics affects how genes are read by cells, and subsequently whether the cells should produce relevant proteins, in effect controlling our genes. e.g determining a cell’s specialization (e.g., skin cell, blood cell, hair cell, liver cells, etc.) as a fetus develops into a baby through gene expression (active) or silencing (dormant); and also through nurture with environmental stimuli having the ability to cause genes to be turned off or turned on[2].
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References[edit | edit source]
- ↑ Al Aboud NM, Tupper C, Jialal I. Genetics, epigenetic mechanism. Available:https://www.ncbi.nlm.nih.gov/books/NBK532999/ (accessed 25.7.2022)
- ↑ What is epigenetics A Super Brief and Basic Explanation of Epigenetics for Total Beginners Available: https://www.whatisepigenetics.com/what-is-epigenetics/(accessed 25.7.2022)