Our Cells Are Filled With 'Junk DNA' — Here's Why We Need It

Much of our genome has no apparent purpose. Is it so-called "junk DNA" or do we simply not understand it? (Credit: ktsdesign/Shutterstock)



Wouldyou purchase a book with over 98 percent of the text written in gibberish?
Biology has no business in the book industry, yet it still writes a prettyfascinating guidebook: DNA. Our genetic manual holds the instructions for the proteinsthat make up and power our bodies. But less than 2 percent of our DNA actuallycodes for them.



Therest — 98.5