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‘Junk’ DNA
What it's not:     
What DNA sells at yard sales 
What it is:
Junk DNA is the sections of DNA that do not code for amnio acids. It is the noncoding region, or intronic region. These DNA segments were thought to be junk because their function was unknown however we are now beginning to understand that most of our ‘junk’ DNA is actually an important and crucial part of our genetic make-up.

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