A molecular clock is based on ____.
A) measurement of daylight by pigment complexes
B) daily changes in amino acid sequence in specialized proteins
C) regulation of gene expression
D) precise oscillations of atoms in a crystal
E) a constant rate of mutation in DNA sequences

Question

Quizplus · Accepted Answer

A molecular clock is based on a constant rate of mutation in DNA sequences, allowing scientists to estimate the time of divergence between different species by comparing their genetic material.

A Molecular Clock Is Based on ____