Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 47 - The Digestive System - Figure 47.16 - Data Analysis: 1


A phylogeny based only on lysozyme would incorrectly place either cows among the primates or langurs among the ruminants.

Work Step by Step

This is why we use many genes and other data for phylogenies. The convergent evolution in lysozyme makes cows and langurs look like close cousins, so one or the other would have to be badly misplaced phylogenetically.
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