Essential Cell Biology, 4th Edition

Published by Garland Science
ISBN 10: 0815344546
ISBN 13: 978-0-81534-454-4

Chapter 9 - How Genes and Genomes Evolve - Questions - Page 322: Question 9-9

Answer

True, the majority of human DNA is unimportant junk. A large portion of human DNA is non-coding which means it has no discernible purpose or function.

Work Step by Step

Only around 8.2% of human DNA is functional, while the rest is all non-coding DNA. Non-coding DNA sequences are the part of DNA that does not code for any protein sequences.
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