How Does the Molecular Clock Theory Work

Multiple Choice

How does the molecular clock theory work?

A) It is based on examining the number of genetic mutations that have occurred during divergence of species.
B) It proposes that species divergence is based on a constant rate of genetic drift and isolation.
C) It is based on the notion that the Earth is one hour old,and it calculates events on a 60-minute clock.
D) It is based on examining molecules and how chemical reactions occur over time.
E) It argues that evolution occurs at steady rates and cannot make any changes over time that are not programmed.