Q: Why do scientists favor the clade in which derived traits evolve the fewest times?
A: Clade refers to the natural group of organisms that shows monophyletic evolution, which means they…
Q: Which of the following are true about outgroups? a. They help identify plesiomorphic traits…
A: In phylogenetics, the term outgroup is defined as the group of organisms that help to determine the…
Q: The evolution of various life forms on Earth is summarized in ________. a. the binomial naming…
A: Evolution is a continuous process and we are still evolving. Evolution is nothing but adapting to…
Q: Most phylogenetic trees always show a two branch divergence from the common ancestor. Do you think…
A: The change in the heritable characteristics in a population over a period is termed as evolution.…
Q: The principle of parsimony a. helps evolutionary biologists distinguish among competing…
A: A problem-solving approach that refers to the entities that should not be multiplied without…
Q: Rapid rates of character change relative to the rate of speciation pose a problem for cladistics…
A: Evolution is a systemic process that is happening step by step manner to select an organism from the…
Q: In evolution, what is Phylogenetic path analysis?
A: Phylogenesis refers to the diversification and evolutionary development of a group of organisms or…
Q: Which of the following statements is false regarding lateralgene transfer?(a) It accelerates…
A: Lateral or horizontal gene transfer, is a process by which an organism transfers its genetic…
Q: The number of possible trees resulting from phylogenetic analysis grows exponentially with the…
A: Biological systematics deals with the diversification of living organisms present today and in the…
Q: After reading the article '' The Hybrid Origin of Modern Humans'' by Rebecca Rogers Ackermann. What…
A: New studies show that the primary cutting- edge natural human beings originated 2000, years in the…
Q: In order to determine polarity for different states of a character a. there must be a fossil…
A: In order to determine polarity for different states of a character;
Q: Compare phylogenetic trees created using DNA data with phylogenetic trees created using chromosomal…
A: Introduction :- Phylogenetic tree are the diagrammatic representation which tells about the…
Q: Based on the past activities about constructing of phylogenetic trees, how do you distinguish…
A: When the evolution of different organisms or species from a common ancestor is depicted through a…
Q: A paraphyletic group includes a. an ancestor and all of its descendants. b. an ancestor and some…
A: The most recent common ancestor and some of its descendants are found in the paraphyletic group. For…
Q: Discuss how the principle of parsimony can be used in a cladistics approach to constructing a…
A: A phylogenetic tree is a diagram that is used in the study of the phylogeny. It is made of many…
Q: The challenge in using sequence data to estimate the evolutionary tree for all living things is to…
A: To find evolutionary relationship in between different species we need to sequence and study their…
Q: What consequences does horizontal gene transfer pose for evolutionary biologists? a. It can pose…
A: Horizontal gene transfer is the transfer of bacterial genetic material from one bacterium to another…
Q: of the following are true about phylogenies, EXCEPT: a. They are considered an unbiased…
A: There is so much diversity in the living world. Among this diversity some groups are related to each…
Q: Are there newer trends in determining evolutionary relationships? If yes, what are they?
A: Phylogenetic tree is a diagrammatic representation that is use to reflect evolutionary…
Q: You are evaluating five phylogenetic trees generated from a single cladistics analysis. Tree A shows…
A: Evolution is defined as the change in trait of individuals over a period of time.
Q: An approach that is used to construct a phylogenetic tree is a. cladistics and the principle of…
A: Introduction: Genetic or evolutionary relationships between individuals belonging to the same or…
Q: Two different monophyletic groups that share common ancestry with each other more recently than…
A: Answer : Two different monophyletic groups that share common ancestry with each other more recently…
Q: In interpreting a cladogram, (a) we can identify the specific ancestor of each taxon by tracing each…
A: There are many shapes of cladograms but they have certain things in common all have lines that…
Q: Using the information from the DNA-DNA hybridization data table below, build a phylogenetic tree…
A: The lines in Phylogenetic tree describe the evolutionary descent of different species, organisms, or…
Q: Phylogenetic trees are constructed based on Group of answer choices a. shared ancestral…
A: Evolution is defined as the change in trait of individuals over a period of time.
Q: hich method of building phylogenetic trees relies only on minimizing the number of evolutionary…
A: Phylogenetic tree is that tree in which there are found evolutionary relationship between the taxons…
Q: 1. a) What is a phylogenetic tree? b) What do the lines and branches in a phylogenetic tree…
A: a) A Phylogenetic tree is a visual representation of relationship between different organisms,…
Q: Discuss the main application of the Hardy–Weinberg principle in evolutionary biology.
A: This law was proposed by G.H Hardy and Wilhelm Weinberg, hence it is called the Hardy Weinberg law.…
Q: a.Explain the four basic criteria on which RH Whittaker system of classification is based on. b.…
A: Since you have asked multiple questions, we are eligible to answer only one question. Kindly repost…
Q: What problems does horizontal gene transfer cause for evolutionary biologists? a. It can make the…
A: Introduction Horizontal Gene Transfer (HGT) is the process of an organism receiving genetic…
Q: Which of the following are true about outgroups? (multiple answers allowed) A) they help identify…
A: Evolution is any alteration in the heritable characteristics of the population. These…
Q: Which method of building phylogenetic trees relies on both the number of evolutionary transitions on…
A: Phylogenetic tree uses Maximum likelihood method that relies on both the number of evolutionary…
Q: A phylogenetic tree is different from a cladogram in that ... Group of answer choices A: it shows…
A: Phylogenetic tree: it is a tree diagram that describes the evolutionary relationships between…
Q: ______ is a way of reconstructing evolutionary history based on derived characters. a. Cladistics c.…
A: Cladistics is a way of reconstructing evolutionary history based on derived characters. Cladistics…
Q: Which of the following are true about outgroups? A. They help identify plesiomorphic traits…
A: Outgroups can be referred to as distantly related organisms, which serves as a reference group when…
Q: Explain the difference between maximum Parsimony and maximum likelihood, when used in computing…
A: A phylogenetic tree is one which demonstrates evolutionary relationships with a branching diagram of…
Q: can apply the knowledge of Patterns of Descent with Modification from Common Ancestors & The…
A: Evolution is a process which is continuous and leads to selection of individuals who are better…
Q: On a phylogenetic tree, the length of branches is a.) The comparison of homologous DNA and RNA…
A: A phylogenetic tree, otherwise called a phylogeny, is a diagram that portrays the lines of…
Q: The definition of "lineage" is:
A: Lineage refers to a group of individuals that have descended from a common ancestor. They descend in…
Q: Which of the following is true regarding vestigial traits? A) They represent transitional…
A: The corret answer is D)all of the above
Q: Which of the following is TRUE about a phylogenetic tree? It provides a drawing the reflects the…
A: Phylogenetic trees represent hypotheses about the evolutionary relationships of species and other…
Q: Why is molecular data for phylogenetic inference best analyzed with use of an explicit model of…
A: Answer: Molecular data for phylogenetic tree is the data accumulated which contains the information…
Q: Which of the following statements about horizontal gene transfer is accurate? A) Horizontal gene…
A: A phylogenetic tree is a diagram or tree that compares prehistoric living animals to contemporary…
Q: What does the trunk of the classic phylogenetic tree represent? a. single common ancestor b. pool of…
A: Phylogeny is the developmental history of gatherings of organic entities, like species or clades.…
Q: Discuss the problems in developing an accurate phylogenetic tree. Do you think it is possible to…
A: Introduction Phylogeny is the branch of systematics which deals with the classification of animals…
Phylogenetic trees are based on
a. natural selection.
b. genetic drift.
c. homology.
d. none of the above.
Step by step
Solved in 2 steps
- To apply parsimony to constructing a phylogenetic tree, (A) choose the tree that assumes all evolutionary changes are equally probable. (B) choose the tree in which the branch points are based on as many shared derived characters as possible. (C) choose the tree that represents the fewest evolutionary changes,in either DNA sequences or morphology. (D) choose the tree with the fewest branch points.Which method of building phylogenetic trees relies on both the number of evolutionary transitions on the phylogenetic tree and the likelihood of the evolutionary transitions? a. Maximum Credibility b. Maximum Likelihood c. Parsimony d. BootstrappingPeople studying fossils have to employ which of the following species concepts? a. The Morphospecies Concept b. The Biological Species Concept c. The Phylogenetic Species Concept d. The Physical Species Concept
- What 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.What problems does horizontal gene transfer cause for evolutionary biologists? a. It can make the reconstruction of phylogenetic trees difficult because it can obscure phylogenetic relationships. b. It can cause physiological problems in some organisms, making it hard to study them. c. It can make breeding between different individuals of the same species difficult. d. Because it is the transfer of genes between the same species, it can make individuals look more similar than they actually are. e. All of the above.You 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 C
- What is a Homology? A) When an anatomic feature is shared among organisms and their descendants B) When two organisms appear the same C) When convergent evolution produces similar phenotypesWhat is an Analogy? A) When an anatomic feature is shared among organisms and their descendants B) When two organisms appear the same C) When convergent evolution produces similar phenotypesWhich method of building phylogenetic trees relies only on minimizing the number of evolutionary transitions on the phylogenetic tree? a. Parsimony b. Maximum Likelihood c. Boostrapping d. Maximum Credibility
- Which of the following is TRUE about a phylogenetic tree? It provides a drawing the reflects the proven relationships between living and extinct species. b It provides a hypothetical model of the relationships between extinct species. c It provides a hypothetical model of the relationships between living and extinct species. d It a diagram used by scientists that provides a model of evolutionary relationships without the need for scientific data.Cladistic methods: a. have distinct criteria for recognizing genera versus species. b. rely equally on all traits that can be measured or observed. c. cannot be used below the level of the species (e.g., to identify races). d. classify organisms based on shared ancestry e. all of the above are correctWhich of the following statement about the outcome of the evolution of a new species through hybridization is false? a.The new species may have traits that allow it to inhibit environments different from both parental species. b.The new species is always an intermediate of the two parental species c.The new species may have greater genetic diversity and greater trait diversity than the parental species. d.None of the above What are the two ways of looking into evolution in detail? a.Micro frequency change and ascent with modification b.Genotypic and phenotypic modification c.DNA frequency change and inheritance modification d.Allele frequency change and descent with modification Natural selection increases the frequencies of advantageous alleles and decreases deleterious alleles' frequencies. What are the three categories of natural selection depending on the favored traits? a.Directive, selective and native b.Indicative, normative and fixative c.Directional, stabilizing and…
