Campbell Biology (10th Edition)

Published by Pearson
ISBN 10: 0321775651
ISBN 13: 978-0-32177-565-8

Chapter 21 - 21.3 - Concept Check: 1

Answer

The discrepancy may be accounted for by alternative splicing of RNA transcripts and post-translational modification of polypeptide proteins.

Work Step by Step

Consider what may cause the difference in the number of genes in the human genome, the number of polypeptides that a human can make, and the ways a polypeptide may be modified aside from the original genetic sequence.
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