Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 24, Problem 6TYK
Summary Introduction
Introduction:
Systematics study helps in providing the classification, scientific name, keys for identification, data of evolutionary history, and distribution for an organism. Molecular characters are kind of taxonomic characters that help in the studies of systematic analysis like sequence of proteins, combination of two different DNA (deoxyribonucleic acid) hybridizations, and other molecular differences.
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A good “phylogenetic” species is one that is
A. The smallest diagnosable cluster of organisms within which there is a pattern of ancestry and descent
B. The most inclusive population of individuals having the potential for phenotypic cohesion through intrinsic cohesion mechanisms.
C. Morphologically distinctive from other groups of organisms
D. An actually or potentially interbreeding group that is reproductively isolated from other such groups.
Phylogenetic trees are constructed based on
Group of answer choices
a. shared ancestral characters
b. vestigial characters
c. homoplastic characters
d. cartoon characters
e. shared derived characters
f. shady characters
Clarify the following concepts: Note that this is not just a listing of definitions.
a. Identification
b. Nomenclature
c. Classification
d. Taxonomy
e. Systematics
Chapter 24 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 24.1 - How does the system of binomial nomenclature...Ch. 24.1 - Prob. 2SBCh. 24.2 - What is the difference between a phylogenetic tree...Ch. 24.2 - What are the differences between a monophyletic...Ch. 24.3 - Prob. 1SBCh. 24.3 - Prob. 2SBCh. 24.3 - Prob. 3SBCh. 24.4 - Prob. 1SBCh. 24.5 - How does outgroup comparison facilitate the...Ch. 24.5 - Prob. 2SB
Ch. 24.5 - Prob. 3SBCh. 24.6 - What assumption underlies the use of genetic...Ch. 24.6 - Prob. 2SBCh. 24.7 - Prob. 1SBCh. 24.7 - Prob. 2SBCh. 24 - The evolutionary history of a group of organisms...Ch. 24 - Prob. 2TYKCh. 24 - Which of the following does not help systematists...Ch. 24 - In a cladistic analysis, a systematist groups...Ch. 24 - Prob. 5TYKCh. 24 - Prob. 6TYKCh. 24 - Prob. 7TYKCh. 24 - When systematists study morphological or...Ch. 24 - Which of the following pairs of structures are...Ch. 24 - To construct a phylogenetic tree by applying the...Ch. 24 - Prob. 11TYKCh. 24 - Prob. 12TYKCh. 24 - Prob. 13TYKCh. 24 - Prob. 14TYKCh. 24 - Imagine that you are a systematist studying a...Ch. 24 - Design an Experiment Imagine that you are trying...Ch. 24 - Prob. 17TYKCh. 24 - The phylogenetic tree for 12 cat species (Felidae)...
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- 1) The phylogenetiç tree of anole lizard species, below, was produced from both molecular and morphological data. Answer the questions that follow. A distichus A straulus A evemanni A pulchellus A krug A gundlachi A cristatollua (PR A cristatellus (FL) A sagrel A lineatopus A valencienni A grahami a. Which kind of DNA would have been most useful for generating a phylogeny of these taxa? mtDNA -or- RNA gene? b. Which kind of homologous genes would have been most useful for determining the evolutionary relationships among these different species? paralogous genes -or- orthologous genes c. Briefly explain the reason for your answer to "c". d. In which three taxa are the relationships still unclear? wwwarrow_forwardA sample of bacteria is collected from soil in a field that was recently treated with pesticides. The bacteria are classified and a phylogenetic is built to illustrate the soil bacteria diversity. What kinds of characteristics would be best for creating this phylogenetic? a. rRNA gene sequence and amino acid sequence of lipase b. Cell wall structure and physical appearance c. Reproductive rate and susceptibility to pesticides d. Entire genome sequence and protein expression dataarrow_forwardShown 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_forward
- 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.arrow_forwardThe phylogenetic tree to the right showsthe evolutionary relationships of taxa A –H. The shapes represent character statetrait changes. A. Which traits (shapes) would individualsin taxa D have? Draw the collection oftraits. B. Is the triangle a synapomorphy orpleisomorphy (circle one)? C. Is the circle a synapomorphy orsympleisomorphy (circle one)?arrow_forwardSpecify some molecular biology techniques that are being used in taxonomy and phylogeny. Also, explain how do molecular markers work, its applications and limitations?arrow_forward
- Species A was recently discovered and its DNA sequence was compared to the DNA of the four previously known species from the same genus. The comparison revealed this particular species is the most recent one, the one that diverged last. Show the mismatched nucleotides between these DNA sequences (mark them and count them) and then draw a phylogenetic tree that shows their relationship. You can draw the tree by hand.Species A 5’ A A G G C C A A A C T T T G G G T A T A G C A T A 3’Species B 5’ A A G G C C A A A C C G T G G G T A T A G C G A A 3’ ____________Species C 5’ A A G G C C A A A C T T T G G G T A T A G C G A A 3’ ____________Species D 5’ A A C T C C A A A C C G T G G G T A T A G C G A A 3’ ____________Species E5’ A A G G C C A A A C T T T G G G T A T A G C G T A 3’ __________arrow_forwardIn taxonomy, what traits have been used to classify species? Select all that apply. A. Differences in DNA sequences B. Anatomical features C. Geographic distributions D. Differences in atomic structurearrow_forwardStudy the diagrams below. The diagrams represent four possible phylogenetic trees showing the relationship between the four species: M, L, S, and R. B A M LS R M LR +d \t R SML RM S tota -444 What is the plausible explanation for the appearance of autapomorphic character c in species L and S of tree A although they do not share a most recent common ancestor?arrow_forward
- Which of the following are true about outgroups? a. They help identify plesiomorphic traits in the phylogeny b. They are a taxa that is known to not be within the species group in question c. They do not have any autapomorphic traits d. They are less evolved than the species of interestarrow_forwardIn numerical taxonomy, the from both organisms being compared. O A. Jaccard coefficient involves the proportion of common attributes present but ignores characters that are missing O B. associative O C. Taxonomial O D. simple matching Reset Selectionarrow_forwardOf the following taxonomic categories which is the most inclusive (i.e. is the highest in hierarchy)? A. Order B. Subspecies C. Class D. Genusarrow_forward
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Phylogenetic Mysteries: Crash Course Zoology #12; Author: CrashCourse;https://www.youtube.com/watch?v=cVaw7nF72Aw;License: Standard youtube license