BIOLOGY
5th Edition
ISBN: 9781265202859
Author: BROOKER
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Chapter 25, Problem 2CQ
What is a molecular clock? How is it useful in the construction of phylogenetic trees?
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Chapter 25 Solutions
BIOLOGY
Ch. 25.1 - Prob. 1CSCh. 25.1 - Prob. 1CCCh. 25.2 - Can two different species have more than one...Ch. 25.2 - Prob. 2CCCh. 25.3 - What shared derived character is common to the...Ch. 25.3 - Prob. 2CCCh. 25.3 - Prob. 3CCCh. 25.3 - Prob. 1EQCh. 25.3 - Prob. 2EQCh. 25.3 - Prob. 3EQ
Ch. 25.4 - Prob. 1CSCh. 25.5 - Prob. 1CCCh. 25 - Prob. 1TYCh. 25 - Which of the following is the correct order of the...Ch. 25 - Prob. 3TYCh. 25 - Which of the following characteristics is (are)...Ch. 25 - Which of the following occur at branch points, or...Ch. 25 - Prob. 6TYCh. 25 - Prob. 7TYCh. 25 - A goal of modern taxonomy is to a. classify all...Ch. 25 - The concept that the preferred hypothesis is the...Ch. 25 - Prob. 10TYCh. 25 - Prob. 1CQCh. 25 - What is a molecular clock? How is it useful in the...Ch. 25 - Core Concept: Evolution What are some advantages...Ch. 25 - Prob. 1COQCh. 25 - Prob. 2COQ
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- What is the purpose of using an “outgroup” when reconstructing a phylogenetic tree?arrow_forwardWithin the field of phylogenetics, what does a “bootstrap value” represent? (write/make 3 points for this question)arrow_forward1. a) What is a phylogenetic tree? b) What do the lines and branches in a phylogenetic tree represent?arrow_forward
- a) What is a phylogenetic tree? b) What is a branch point? c) What are sister taxa? d) What is a ‘rooted’ phylogenetic tree?arrow_forwardwhat is a major problem with morphologically based analysis of wale placement in a phylogenetic tree ?arrow_forwardWhy are the phylogenetic trees generated using MEGA and PhyML different?arrow_forward
- Which of the following best explains why coalescent-based phylogenetic inference is important in the age of phylogenomics? A) Coalescent-based methods directly model gene tree histories independently to infer the species tree in a summary-based manner, which is important for phylogenomic analysis were hundreds to thousands of gene histories are analyzed. B) Coalescent-based methods have the most advanced evolutionary models of molecular evolution, which is important for phylogenomic analysis were hundreds to thousands of gene histories are analyzed. C) Coalescent-based methods are no more important than other types of phylogenetic inference, even for phylogenomic analyses. D) None of the above.arrow_forwardCompare phylogenetic trees created using DNA data with phylogenetic trees created using chromosomal banding patterns. Which technique do you think is more valuable and why?arrow_forwardDo you find it easy to interpret phylogenetic trees? What aspects are the most challenging or what aspects of the tree can be easily misinterpreted? What strategies can students use to correct or avoid these common misinterpretations? Do you consider phylogenetic trees to be reliable indicators of evolutionary relationships? Include a reference.arrow_forward
- The genome relatedness of different organisms can be shown with a phylogenetic tree constructed based on DNA sequence. (1) Why DNA sequences could be used to deduce genome relationship? (2) What else may be used to suggest the relatedness of different genomes?arrow_forwardHow can we use morphological traits to determine branching patterns on phylogenetic trees?arrow_forwardWhat is the last universal common ancestor (LUCA), and what does that mean? What is a phylogenetic event horizon?arrow_forward
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