Opinion

... in response to What is Junk DNA?
  1. Junk DNA may be protective
    Ryan Young Ryan Young United States says:
    January 11, 2019 at 5:46 PM

    When you consider that random molecules may interact with DNA to cause a mutation or switch a gene on or off (e.g. cigarette smoke turning off a cell's self-destruct mechanism, causing that cell to become cancerous), then having segments that do nothing can serve as decoys or armor for segments that are actually important.

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