While epigenetic modifications can alter how your body reads DNA sequences, they are reversible and do not alter your DNA sequence as genetic changes do. When or how frequently proteins are made from instructions found in genes is referred to as gene expression.
The epigenetic purging that takes place during early development can be avoided because epigenetic markings can be passed from parent to offspring in a method that fully avoids egg or sperm. The majority of us were taught that our characteristics are hard-wired into the DNA that is passed from parent to child.
The field of epigenetics investigates how cells regulate gene function without altering the DNA sequence. Greek for on or above, the term "epigenetic" refers to elements other than genetic material. Epigenetic alterations to DNA control whether or not genes are activated.
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