Epigenetics
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Epigenetics is a word that literally means “above the gene”. Our genes contain the code for what makes us the way we are. Height, bone size, nose size, intelligence, all are determined by the code contained is what is called our DNA. Think of it as rope with special knots in a specific order. The order in which the knots appear are coded instructions. The code tells our body what to do. Every cell has every code within it, but parts of the codes are silenced, unreadable. This is what makes a liver cell specific and different from a heart cell or a brain cell. Well, what happens when part of the code intended to be silent becomes readable, or some needing to be read is partly or completely silenced. Problems occur. These problems can be passed on as cells divide and become wide spread. The science of understanding how genes are expressed or able to be read or silenced is called epigenetics. I have pulled these videos from YouTube.com to give you more information on this subject.
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