Are most of our DNA junk DNA?

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Solution

DNA:
It is a polymer made up of deoxyribonucleotides.
Some portion of DNA codes for proteins.
Some portion of DNA acts as regulatory elements.
The major portion of DNA has no known function yet and does not code for any protein.
Junk DNA is a term used for DNA with no known function.
Most of our DNA is junk DNA.

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