Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 26, Problem 16TYK
Which of the following approaches would allow a biologist studying the evolution of four similar species of birds to choose the best phylogenetic tree from all possible phylogenies?
- a. Draw the simplest tree and choose that one.
- b. From a comparison of DNA sequences, determine the number of evolutionary events required for each tree and then choose the most parsimonious tree.
- c. Compare the entire genomes of each species; the two most similar genomes are the two species that are most closely related.
- d. Determine which species can interbreed; those that can interbreed evolved from a common ancestor most recently.
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Students have asked these similar questions
The figure shows a phylogenetic tree of various members of the order Proboscidea, which includes modern elephants. Which of the following claims is best supported by the information in the figure ?
a.The mastodon and the Stegodon diverged from their common ancestor 22 million years ago.
b.The common ancestor of the African elephant and the mastodon is the Palaeomastodon.
c.The mammoth diverged from its most recent common ancestor with African elephants before the mastodon diverged from its most recent common ancestor with Stegodons.
d.The Asian and African elephants are the most closely related species shown on the tree.
Which of the following is/are TRUE in phylogenetic analysis?
0000000
A. In a phylogram, the longer the branch length, the lesser genetic change.
B. A bootstrap value of 90-100 indicates a weakly supported clade.
C. Neighbor-Joining and Maximum Parsimony does not consider convergence as an influencing factor in creating an evolutionary tree.
D. Phylogenetic analysis treats each base of a sequence as a molecular character for analysis.
Both C and D are True statements.
Both B and Care True statements.
None. All of the statements are False.
Help me please
Chapter 26 Solutions
Study Guide for Campbell Biology
Ch. 26 - a. In this hypothetical phylogenetic tree, which...Ch. 26 - What two complications may make it difficult to...Ch. 26 - Place the taxa (outgroup. A, B, C, and D) on the...Ch. 26 - Prob. 4IQCh. 26 - a. Give an example of genes that would be compared...Ch. 26 - Prob. 6IQCh. 26 - Prob. 7IQCh. 26 - Prob. 1SYKCh. 26 - Prob. 2SYKCh. 26 - Prob. 3SYK
Ch. 26 - Related families are grouped into the next-highest...Ch. 26 - Prob. 2TYKCh. 26 - Prob. 3TYKCh. 26 - Prob. 4TYKCh. 26 - Prob. 5TYKCh. 26 - Prob. 6TYKCh. 26 - Prob. 7TYKCh. 26 - Prob. 8TYKCh. 26 - A taxon such as the class Reptiliawhich includes...Ch. 26 - You wish to study evolutionary relationships among...Ch. 26 - Prob. 11TYKCh. 26 - Prob. 12TYKCh. 26 - Prob. 13TYKCh. 26 - Prob. 14TYKCh. 26 - Prob. 15TYKCh. 26 - Which of the following approaches would allow a...Ch. 26 - A comparative study of which of the following...Ch. 26 - Prob. 18TYKCh. 26 - Which of the following segments of DNA would...Ch. 26 - Which of the following is the best description of...Ch. 26 - Prob. 21TYK
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- Make a list of at least 10 morphological characters that you might use to generate a phylogenetic tree of the Caminalcules. Ignore the numbers found next to each Caminalcules- they do not represent who evolved first, second, etc. 2.Construct a phylogenetic tree of relationships (Hint: it may be easiest to cut out the critters so you can move them easily and then paste on them on a paper and draw the branches accordingly). 3.Identify at least 2 recent common ancestors and write at least three critical morphological changes along the branches on which they occurred. For example, did the claws appear (or disappear) as the different species evolved? 4.Take a picture of your phylogenetic tree and submit it with this document. ***Please note, this lab can be frustrating because you are “creating” the evolutionary story of how these critters evolved and who is more closely related to who (or not) along the way. There is no wrong answer since every student will focus on different…arrow_forwardWhat consequences does horizontal gene transfer pose for evolutionary biologists? a. It can pose difficulty in the reconstruction of phylogenetic trees, because it can obscure phylogenetic relationships. b. It can pose physiological problems in some organisms, making it very hard to study them. c. It can pose difficulty in breeding between different individuals of the same species. d. Because it is transfer of genes between the same species, it can make individuals look very more similar than they actually are. e. All of the above.arrow_forwardYou are evaluating five phylogenetic trees generated from a single cladistics analysis. Tree A shows 21 evolutionary events (i.e. the evolution of a shared, derived trait), Tree B shows 7 events, Tree C shows 18 events, Tree D shows 10 events, and Tree E shows 9 events. Which tree is most likely the correct one? Group of answer choices Tree A Tree D Tree B Tree E Tree Carrow_forward
- Shown above are three possible phylogenetic trees for species I, II and III reconstructed based on the 4-nucleotide DNA sequences given in the righthand table. In every tree, each hatchmark on a branch represents a single base-change event. The most parsimonious tree would be - A. Both X and Y. B. X. C. Y. D. Both Y and Z. E. Z.arrow_forwardWhich of the following is true regarding the way we define clades with characters? Select one: a. Autapomorphies are good characters to use because they describe every lineage of the clade and no other lineages b. Plesiomorphies are good characters to use because they describe every lineage of the clade and no other lineages c. Synapomorphies are good characters to use because they describe every lineage of the clade and no other lineages Please give me the correct answer quickly I will give you upvotearrow_forwardA. Which two alien species are likely to be the most related? Why? B. Which two alien species are likely the least related? Why? C. In this cladogram, how many times have lineages diverged? D. On your cladogram, circle the most recent common ancestor of the pingests and persnippys.arrow_forward
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