Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 23 - Evolution of Genes and Genomes - 23.2 - Genomes Reveal Both Neutral and Selective Processes of Evolution - 23.2 Recap - Learning Outcomes - Page 496: 2

Answer

A larger genome does not necessarily correlate to greater complexity, though in many cases more complex genetics are needed for maintaining a large multicellular organism, as opposed to a prokaryotic organism. When only considering the coding portion of DNA, the differences in genome types do not appear so drastic; no organism has more than 100 times the coding genetic material of a bacterium.

Work Step by Step

A larger genome does not necessarily correlate to greater complexity, though in many cases more complex genetics are needed for maintaining a large multicellular organism, as opposed to a prokaryotic organism. When only considering the coding portion of DNA, the differences in genome types do not appear so drastic; no organism has more than 100 times the coding genetic material of a bacterium.
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