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If you took all the DNA from your body and stretched it out in a line, it would be twice the diameter of the solar system! Learn all about DNA and what makes it is the key to inheritance, and also a little bit of how animal cloning works.
By Mark McDonaldIf you took all the DNA from your body and stretched it out in a line, it would be twice the diameter of the solar system! Learn all about DNA and what makes it is the key to inheritance, and also a little bit of how animal cloning works.