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

Question

Quizplus · Accepted Answer

Only a small fraction of the human genome (less than 2%) actually codes for proteins. The rest of the DNA is involved in other functions such as controlling gene expression, regulating cellular processes, and serving as non-coding RNA. Therefore, choice B is the best answer.

The Human Genome Consists of