Campbell Biology
3rd Edition
ISBN: 9781269937832
Author: Reece, Urry, Cain, Wasserman, Minorsky, Jackson
Publisher: Pearson Custom Publishing
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Chapter 26.6, Problem 2CC
Summary Introduction
To explain: The phylogenies based on different genes yielding different branching patterns for the tree of all life.
Concept introduction: Horizontal gene transfer is an important event in evolution. It is the gene transfer that occurs between organisms other than that between parents to their offspring. The horizontal gene transfer can be done with the help of plasmids, transposable elements, and viral infections. Recent research has revealed that over 200 horizontal gene transfers have occurred through transposons in eukaryotes. Even nuclear genes have also transferred horizontally.
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Explain why phylogenies based on different genes canyield different branching patterns for the tree of all life.
Explain what a phylogeny tree and what the nodes on it represent and why it is useful to biologists.
Draw a line diagram to illustrate how systematics and taxonomy relate to phylogeny
Chapter 26 Solutions
Campbell Biology
Ch. 26.1 - VISUAL SKILLS: Which levels of the classification...Ch. 26.1 - Prob. 2CCCh. 26.1 - Prob. 3CCCh. 26.2 - Decide whether each of the following pairs of...Ch. 26.2 - Prob. 2CCCh. 26.3 - Prob. 1CCCh. 26.3 - Prob. 2CCCh. 26.3 - WHAT IF? Draw a phylogenetic tree that includes...Ch. 26.4 - Explain how comparing proteins of two species can...Ch. 26.4 - WHAT IF? Suppose gene A is orthologous in species...
Ch. 26.4 - Prob. 3CCCh. 26.5 - What is a molecular clock? What assumption...Ch. 26.5 - Prob. 2CCCh. 26.5 - WHAT IF? Suppose a molecular dock dates the...Ch. 26.6 - Why is the kingdom Monera no longer considered a...Ch. 26.6 - Prob. 2CCCh. 26.6 - Prob. 3CCCh. 26 - Humans and chimpanzees are sister species. Explain...Ch. 26 - Why is it necessary to distinguish homology from...Ch. 26 - Prob. 26.3CRCh. 26 - When reconstructing phylogenies, is it more useful...Ch. 26 - Prob. 26.5CRCh. 26 - Prob. 26.6CRCh. 26 - In a comparison of birds and mammals, the...Ch. 26 - To appiy parsimony to constructing a phylogenetic...Ch. 26 - VISUAL SKILLS In Figure 26.4, which similarly...Ch. 26 - Three living species X, Y, and Z share a common...Ch. 26 - Prob. 5TYUCh. 26 - If you were using cladistics to build a...Ch. 26 - VISUAL SKILLS The relative lengths of the frog and...Ch. 26 - EVOLUTION CONNECTION Darwin suggested looking at a...Ch. 26 - SCIENTIFIC INQUIRY DRAW IT (a) Draw a...Ch. 26 - WRITE ABOUT A THEME: INFORMATION In a Short essay...Ch. 26 - SYNTHESIZE YOUR KNOWLEDGE This West Indian manatee...
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- What are the ORDER/FAMILYs under Major Cubozoan Taxa? Give their characterictics, distribution, and give 2 example species each order/family.arrow_forwardDefine the term unikont and explain the current taxonomic interpretation of where unikonts arose on the phylogenetic tree of lifearrow_forwardDescribe two reasons why it is important to society to study phylogeny and systematics.arrow_forward
- explain how genetic information along with an understanding of the process of descent with modification enables scientists to reconstruct phylogenies that extend hundreds of millions of years back in time.arrow_forwardConstruct a phylogeny in the form of a simple cladogram with the ten candies shown on slide A. The tree must include synapomorphies. Once your tree is compete, make another one incorporating the new “taxa” on slide B.barrow_forwardConstruct a character matrix with at least five characters for organisms beetle, pigeon, perch, salamander, and a mouse. (Pay attention to eyes, legs, number legs, antennae, body type/form; not limited to here). Then construct a phylogenetic tree using the character matrix and map the synapomorphies.arrow_forward
- Discuss the role of clades and derived characters in constructing phylogenetic treesarrow_forwardWhat would be a complete phylogeny with traits? Attached is the format for the phylogeny tree.arrow_forwardDescribe the difference between homologous and analogous similarities, and how you can tell if a similarity is homologous or analogous using a phylogenyarrow_forward
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