"Junk DNA" appears to play an important role in the:
A) stimulation of cognitive awareness
B) regulation of gene expression
C) enhancement of reproductive fitness
D) modulation of lifespan
E) stimulation of psychic phenomena

Question

Quizplus · Accepted Answer

"Junk DNA" refers to non-coding regions of DNA that do not directly code for proteins. However, research has shown that these regions can play a role in the regulation of gene expression, such as by controlling when and where certain genes are activated. Therefore, choice B is the best answer. The other options (A, C, D, E) are not supported by scientific evidence.

"Junk DNA" Appears to Play an Important Role in The