Page 402 - Islam and Far Eastern Religions

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The reason for this is very simple: DNA has a very complex struc-
ture, and random effects can only harm it. The American geneticist B.
G. Ranganathan explains this as follows:
First, genuine mutations are very rare in nature. Secondly, most
mutations are harmful since they are random, rather than orderly
changes in the structure of genes; any random change in a highly
ordered system will be for the worse, not for the better. For exam-
ple, if an earthquake were to shake a highly ordered structure

The 150-200-mil-
lion-year-old fossil
dragonfly
(Jurassic-Recent
age) is no different
from specimens
living today.