Answer :
Final answer:
Roughly 98.5% of the human genome is composed of non-coding DNA. This DNA is often called junk DNA, but it has been found to have important functions.
Explanation:
Roughly 98.5% of the human genome is composed of DNA that does NOT encode for proteins. This DNA is often referred to as non-coding DNA or junk DNA. While it was once thought to have no function, recent research has revealed that some non-coding DNA plays important roles in gene regulation and genome stability.
Learn more about Non-coding DNA here:
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