The human genome consists of
A)DNA, most of which encodes protein.
B)DNA, most of which does not encode protein.
C)DNA, most of which encodes RNA.
D)protein, most of which does not encode DNA.

Question

Quizplus · Accepted Answer

The human genome consists of DNA, but only a small fraction of it actually encodes for proteins. The majority of non-coding DNA has various regulatory functions such as controlling gene expression, splicing RNA transcripts, and maintaining chromosome structure. Therefore, choice B is the correct answer.

The Human Genome Consists of