About what percent of the DNA molecule is made up of protein-coding genes:
A) about 2%
B) about 25%
C) about 60%
D) nearly 100%

Name: About what percent of the DNA molecule is made up of protein-coding genes: A) about 2% B) about 25% C) about 60% D) nearly 100%
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Quizplus · Accepted Answer

Only about 2% of the DNA molecule is comprised of protein-coding genes, while the majority of the DNA consists of non-coding regions such as introns, regulatory elements, and repetitive sequences.

About What Percent of the DNA Molecule Is Made Up