Molecular Biology of the Cell 6th Edition

Published by Garland Science
ISBN 10: 0815344325
ISBN 13: 978-0-81534-432-2

Chapter 1 - End-of-Chapter - Problems - Page 40: 1-12


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Work Step by Step

There are three hypotheses that are proposed to explain the rate of evolution. The first one is the efficiency-of-repair that states that efficiency of repair of DNA damage will differ in different lineages. It also states that the species with highly efficient repair of DNA damage will reduce the fraction of damage events that lead to mutation. The second hypothesis is that the generation time will vary through natural selection. And lastly, there is the metabolic rate hypothesis which suggests that a high rate of evolution is due to the high metabolic rate of the species.
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