ELi5: how can a single fertlized egg/cell produce a full body with so many different cell types? are we talking about extracting a compressed file or making factories which has different products to produce?
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Your DNA has the instructions for every cell type stored on it. Depending on what cell type is needed your body uses certain parts of it.
Your DNA is compressed in a literal sense, not in a computer file sense. It’s basicly rolled up in it’s base form. The cells can unroll specific parts of it to read certain data.
Genes can also be turned on or off by placing certain markers on it. This way what information is read is regulated by your body and it can produce all these cells.
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