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: 1-8

Answer

No, they were not "born" perfect.

Work Step by Step

These RNA genes went through a period of evolution and mutation. If this mutation was "good," the species survived. If this mutation was "bad," the species died off.
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