Campbell Biology
Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 33.4, Problem 3CC

MAKE CONNECTIONS Ø Historically, annelids and arthropods were viewed as cosely related because both have body segmentation. Yet DNA sequence data indicate that annelids belong to one dade (Lophotrochozoa) and arthrppods another (Ecdysozoa). Could traditional and molecular hypotheses be tested by studying the Hox genes that control body segmentation (see Concept 21.6)? Explain.

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Phylogeny and the Tree of Life; Author: Professor Dave Explains;https://www.youtube.com/watch?v=KLMn4XwS8Tw;License: Standard YouTube License, CC-BY