Molecular Clock and Species Divergence
Which of the following best describes the contribution of the molecular clock hypothesis to understanding evolutionary timelines?
A
It suggests that genetic changes accumulate at a relatively constant rate, allowing estimation of divergence times between species.
B
It shows that genetic changes only occur at specific, predetermined time intervals.
C
It demonstrates that evolution occurs in sudden, clock-like bursts rather than gradually.
D
It proves that all species evolve at exactly the same rate.
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