Gene trees and species trees both depict evolutionary relationships. What is the difference between these two...
Gene trees and species trees both depict evolutionary relationships. What is the difference between these two types of trees?
Homework Answers
A gene tree represents the evolutionary history of the genes involved in the study. A species tree represents the true relationship between species. It retrieves individuals or taxa genealogies in a population. The internal nodes of a species tree represent a speciation or other taxonomic event.
There are several biological processes that can make gene trees different from species trees.
- hybridization or gene flow
- horizontal gene transfer
- Lineage sorting
- gene duplication, etc.
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Gene trees and species trees both depict evolutionary
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In what ways do consensus trees help researchers explore evolutionary relationships? Select all that apply please...
In what ways do consensus trees help researchers explore evolutionary relationships? Select all that apply please answer choices as followed: Consensus trees identify species that do not belong in the phylogenetic trees being studied. Consensus trees summarize the similarities among all the most parsimonious phylogenetic trees. Consensus trees show unexplained relationships among species using polytomies. Consensus trees remove any clades with species that have shared derived characters.
You identify a gene (gene 1) in once species (species 1) that shares significant homology to...
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Describe an evolutionary process by which a gene with new function(s) in a species (i.e. it...
Describe an evolutionary process by which a gene with new function(s) in a species (i.e. it has function(s) not found in the evolutionary ancestral species) can be generated
Quiz na Which of the following conclusions about the evolutionary relationships of Species A-H can be...
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the effects horizontal gene transfer has on evolutionary relationships inside and outside the bacterial domain
the effects horizontal gene transfer has on evolutionary relationships inside and outside the bacterial domain
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The purpose of the state diagram is to depict relationships between data objects depict functions that transform the data flow indicate how data are transformed by the system indicate system reactions to external events
Under the biological species concept, which of the following statements is/are true? a) Gene flow can...
Under the biological species concept, which of the following statements is/are true? a) Gene flow can occur between species. b) Species are independent evolutionary lineages. c) Isolating mechanisms prevent gene flow between species. d) Geographic isolation and differences in the timing of mating are two mechanisms that allow populations to genetically diverge. e) Donkeys and horses are not species.
Below are reported nucleotide sequences for an intron in the same gene for 4 different species...
Below are reported nucleotide sequences for an intron in the same gene for 4 different species of animals. Report the differences you've observed between the nucleotide sequences of the different species in the matrix below. B C D Use the differences in your matrix to create a rooted tree topology showing the evolutionary relationships between creatures A, B, C, & D. Write your topology out on the chart below. Work from right to left: the chart is nicely lined out...
What is the difference, mechanistically speaking, between radical chlorination of the following two species? 2) What...
What is the difference, mechanistically speaking, between
radical chlorination of the following two
species?
2) What is the difference, mechanistically speaking, between radical chlorination of the following two species? CHE H3CCI LCH3 H3CX CHE
write rate relationships between all species in the following reaction: 2NaN3 (s) Please answer both, thank...
write rate relationships between all species in the
following reaction: 2NaN3 (s)
Please answer both, thank you!
Unat 5 Post Workshop: Kinetics 1. Wrte rate relationships between all species in the following reaction: 2 NaN3(s) → 3N2(g) + 2 Na(s) 2 What is the concentration of Br, that will cause the inital rate of production of NOBr to be 648 M/s when NO] is 0.30 MP Exp # [NO, M 1 0.10 2 0.30 [Br, M 0.20 0.20 0.80 Initial...
Quiz na Which of the following conclusions about the evolutionary relationships of Species A-H can be drawn from this cladogram? Cladogram Showing Evolutionary Relationships Among Species A Finish at Time lef Select one: a. Species F is more closely related to species H than species F is to species D. . b. Species F is more closely related to species A than species F is to species G. O C. Species D is more closely related to species E than...
Below are reported nucleotide sequences for an intron in the same gene for 4 different species of animals. Report the differences you've observed between the nucleotide sequences of the different species in the matrix below. B C D Use the differences in your matrix to create a rooted tree topology showing the evolutionary relationships between creatures A, B, C, & D. Write your topology out on the chart below. Work from right to left: the chart is nicely lined out...
What is the difference, mechanistically speaking, between
radical chlorination of the following two
species?
2) What is the difference, mechanistically speaking, between radical chlorination of the following two species? CHE H3CCI LCH3 H3CX CHE
write rate relationships between all species in the
following reaction: 2NaN3 (s)
Please answer both, thank you!
Unat 5 Post Workshop: Kinetics 1. Wrte rate relationships between all species in the following reaction: 2 NaN3(s) → 3N2(g) + 2 Na(s) 2 What is the concentration of Br, that will cause the inital rate of production of NOBr to be 648 M/s when NO] is 0.30 MP Exp # [NO, M 1 0.10 2 0.30 [Br, M 0.20 0.20 0.80 Initial...
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