WHAT IS LIFE ACHIEVE ACCESS ONLY >I<
5th Edition
ISBN: 9781319487317
Author: PHELAN
Publisher: INTER MAC
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Chapter 12, Problem 5SA
Summary Introduction
To analyze:
Why analogous features pose problems for biologists while constructing a phylogenetic tree.
Introduction:
Phylogenetic trees are constructed using the similarities between organisms as a measure of how closely they are related to each other. Analogous features develop due to convergent evolution.
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Students have asked these similar questions
Referring to the phylogenetic tree shown above, answer the following questions:
1. How many OTUs are included in the phylogenetic analysis?
2. How many clades are there?
3. What is an autapomorphic trait of the domestic cat? Explain why?
4. What is the shared derived trait (synapomorphy) in the Family Felidae? Explain why?
Within the field of phylogenetics, what does a “bootstrap value” represent? (write/make 3 points for this question)
How does a phylogenetic tree relate to the passing of time?
Some organisms that appear very closely related to a phylogenetic tree may not actually be closely related (Example. Sharks and dolphins). Why is this?
Chapter 12 Solutions
WHAT IS LIFE ACHIEVE ACCESS ONLY >I<
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- With two specific examples, explain why phylogenetics is a useful scientific tool for studying Organismal biology?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_forwardAll the information you need is provided.arrow_forward
- I was given this and made a character matrix from it but I need help creating the most parsimonious phylogenetic tree for it.arrow_forwardWhich statement is usually true about phylogenetic trees? a) nodes represent points when traits have evolved b) branch tips that are next to each other are more closely related c) the branching pattern describes the hypothesized evolutionary relationships between the taxa d) the order of the branch tips (left to right) indicates which taxa are more advanced evolutionarilyarrow_forwardWhy is it important for scientists to distinguish between homologous and analogous characteristics before building a Phylogenetic tree?arrow_forward
- Discuss the problems in developing an accurate phylogenetic tree. Do you think it is possible to create a completely accurate universal phylogenetic tree? Explain your answer.arrow_forwardSequence data from OTUs are provided in the table below with values provided as (percentage distance x 1000) measurements. Determine the phylogenetic tree from the data in the table below using the UPGMA procedure mentioned in class. Berenstain Bear Berentstain Bear Care Bear Gummi Bear Paddington Bear Care Bear 160 Gummi Bear 150 40 Paddington Bear 80 130 120 Place each OTU in the correct box on the appropriate tree below. Do not label the incorrect tree. Care Bear Gummi Bear Berenstain Bear Paddington Beararrow_forwardPhylogenetic trees are used to show the evolutionary relationships among various biological species and are usually based upon shared derived characters. In constructing phylogenetic trees, it is useful to first draw up a character table to show the presence or absence of characters among the various groups of organisms being studied. a. Draw up a character table based upon the following shared derived characters of land plants: flowers, seeds, vascular tissues, and dependent embryos. Your character table must include the names/descriptions of the plant groups that are being characterized. b. Construct a phylogenetic tree based on this data.arrow_forward
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