One possible explanation for why humans are humans and chimps are chimps despite the great similarities in their gene-coding sequences is
A)allelic control of development.
B)the vast differences in exons.
C)the vast differences in the introns.
D)the "junk" DNA contains important sequences.
E)differences in gene expression.

Question

Quizplus · Accepted Answer

While humans and chimps share a high degree of similarity in their gene-coding sequences, they differ greatly in their gene expression patterns. Differences in how genes are turned on and off during development and throughout life can lead to differences in morphology, behavior, and physiology, ultimately resulting in distinct species.

One Possible Explanation for Why Humans Are Humans and Chimps