what is the difference between a gene tree and a species tree? Explain in your own words how it is possible for gorillas and humans to share a genetic trait (such as a retroviral insertion) that chimpanzees do not share, if chimpanzees and humans are really each other's closest relatives. Given the lack of agreement between gene trees and species trees, how is it possible to reconstruct the true species tree?

Q: In the example below, the letters represent amino acids that make up a polypeptide found in all the…

A: A cladogram is a diagram used in cladistics to show relations among organisms.

Q: Traditionally morphological features are used to construct phylogenic trees of related species. In…

A: Evolution is a continuous process and we are still evolving. Evolution is nothing but adapting to…

Q: How does one species diverge from another? (When do we call a group a new species—and how does that…

A: Microevolution is evolution on a small scale within a single population. The process by which a new…

Q: result in Allopatric Speciation [enter 1 for the first step, 2 for the second, etc; write only the…

A:

Q: which situation would it make sense to use the phylogenetic species concept?

A: Phylogenetic species concept The phylogenetic species concept is used to study how closely the…

Q: Hybridization was not originally recognized as a mechanism of speciation by either Darwin or the…

A: Hybridization was not originally recognized as a mechanism of speciation by either Darwin or the…

Q: • First, drag the labels of Group 1 to identity the common ancestors at the branch points. Next,…

A: A phylogenetic tree is a graphic that depicts the relationships between organisms' biological…

Q: Yeast chromosome XII contains the HAP1 gene that contains codes to regulate proteins involved with…

A: HAP1 contains genes of Regulatory nature and SCM4 has binding site on its promoter region for HAP1.…

Q: If the phylogenetic species concept (PSC) were used  to define species, rather than the biological…

A: The phylogenetic species concept is a attempt to explain species by their relationships to other…

Q: DNA-DNA hybridization studies in the 1960s demonstrated that common chimpanzees (Pan troglodytes),…

A: Note: We’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: Below are phylogenetic trees depicting the relationships among four species, A, B, C, and D. Which…

A: A phylogenetic tree is a graphical representation of the evolution of a species from another…

Q: Estimate the phylogeny of these taxa by plotting the changes on each of the three possible…

A: Phylogeny is the evolutionary history of a species or group from pre-existing related organisms.…

Q: n which situation would it make sense to use the morphological species concept?     When you are…

A: Introduction : The fundamental unit of taxonomy used to categorise living things is the species. The…

Q: What type of species concept would you use to classify extinct species that only exist in fo…

A: Fossils are the remains of dead organisms.

Q: What is variation? Give its importance.

A: Note: Please upload other questions separately. Answer: Introduction: Variation means the difference…

Q: Two biologists are arguing at a conference. One says that the Biological Species Concept (BSC) is…

A: According to grant 1957 Biological species concept defined as a community of cross fertilization…

Q: Based on the phylogenetic tree, if you go back in time and look for species B, you will find that…

A: Phylogenetic tree is a diagrammatic tree which indicates the evolutionary relationship between…

Q: Which levels of the classification in Figure 26.3 do humans share with leopards?

A: Classification is a process of identifying, separating and naming an organism. More the level of…

Q: What notion is common to the morphologicall species concept, the biological species concept and the…

A: There are three species concepts which are mostly commonly known. They are the biological,…

Q: Divergence Recombination I A B C D E F Random acquisition + Species A and D both share a similar…

A: Introduction :- Divergence in evolutionary biology refers to an evolutionary process in which a…

Q: What is the phylogenetic definition of a species? A) A group of individuals that can breed and…

A: The evolutionary history of a species is referred to as phylogeny.

Q: Species 1 and 2 are sister species from which you’ve cloned related genes. On the gene tree on the…

A: The answers to the question are given below: (a) Node 2 labelled Gene duplication   (b) Node 1 and…

Q: Charles Darwin’s claim, that the species level of classification is just as arbitrary as that of any…

A: The question is asking us to identify which of the given scenarios does not support Charles Darwin's…

Q: Why there is no perfect species

A: The species are a cluster of organisms sharing a common genetic heritage. They can interbreed to…

Q: The table below shows short DNA sequences from a gene in a closely related group of dragons, as well…

A: We have a group of seven closely related dragon species with homologous gene sequences. These are…

Q: When building a phylogenetic tree, where do you place a number used to designate a change in…

A: A phylogenetic tree, also known as a phylogeny, is a diagram that depicts the lines of evolutionary…

Q: Which of the following best explains why coalescent-based phylogenetic inference is important in the…

A: Need to find which one of the following is true from the following options related to…

Q: Do you believe that chimpanzees should be classified in the same family and/or subfamily as humans?…

A: Chimpanzees and humans are almost identical. The difference between two humans would more or less be…

Q: D) Two dragonfly populations that have accumulated several differences in their DNA sequences…

A: The species concept is used to determine whether two organisms are the members of same species or…

Q: Whole genome duplication is important in speciation by hybridization because: It creates…

A: Whole genome duplication (WGD) is a process that results in the doubling of the genome. This means…

Q: a- What is Phylogenetics? b- What are the types of Phylogenetics trees? c- What are the differences…

A: Introduction In Biology, Genetics Is A Branch That Studies Genes, Genetic Diversity, And Heredity In…

Q: Phylogenetic trees are constructed based on parsimony the idea that the simplest answer is the misy…

A: Phylogenetic Tree Construction. Phylogenetic trees are diagrams that depict evolutionary…

Q: Suppose species 1, 2, and 3 are endemic to a group of islands (such as the Galápagos) and are all…

A: In biology, it's imperative to know how distinctive species are related to each other so we will…

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: Here are the first eighteen positions of DNA sequence alignment, taken from a gene shared by the six…

A: Introduction  A species is an organism's fundamental unit of classification, taxonomic rank, and…

Q: describe the limitations of the biological species concept, and explain how it differs from the…

A: Species concepts are used by taxonomists and evolutionary biologists to define a species as they…

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: 6. (top or bottom) Species A, B, C, D, and, E are all extant species (living today; not to be…

A: The phylogenetic tree which is at bottom matches and explains more better

Q: Would it be possible to bring extinct species back? In an article it was expressed how brinng…

A: Extinct species - The species which no longer exists on Earth. Every member has died.Example - dudo…

Q: Explain the biological species concept. Why is it not a perfect definition of a species?

A: Biological diversity is the presence of variability of life on Earth. It measures the genetic…

Q: L. BOT2 and Etosha45 populations are on the same branch of the phylogenetic tree. Why do you think…

A: Phylogenetic trees represent evolutionary linkage between organisms represented in a tree form that…

Q: or the cactus (eukarotic) and the e coli bacteria (prokarotic) i want you to: Classify them based…

A: With the aid of dichotomous keys, it is possible to recognize patterns more easily. It helps to…

Q: xplain the following phrase: Degrees of molecular similarity correlate to degrees of species…

A: Evolution is responsible for dealing with heritable alterations and changes taking place in a…

Q: What traits support classifying H. habilis and H. rudolfensis as separate species? (Use complete…

A: The classification of early hominin species is a complex and dynamic field in paleoanthropology,…

Q: How does the biological species concept differ from earlier typological concepts of a species? Why…

A: Taxonomy is the field of biology that classifies living and extinct organisms according to the set…

Q: Whole genome duplication is important in speciation by hybridization because:     It creates…

A: Whole genome duplication (WGD) is a process where an organism's entire genetic material or genome is…

Q: The genome relatedness of different organisms can be shown with a phylogenetic tree  constructed…

A: Introduction :  A phylogenetic tree is a diagram that shows the relationships between living things…

Q: Species A was recently discovered and its DNA sequence was compared to the DNA of the four…

A: DNA sequencing is the way toward deciding the nucleic acid arrangement – the request for nucleotides…

Primate evolution

Primates are a relatively new species and first appeared in the fossil record nearly 55 million years ago. They may have originated as far back as the cretaceous period. Their fossils were observed in North America, Asia, and Europe. Long before the first monkeys and their prosimian relatives developed, most animal species thrived and died. The first primates did not exist until about 50-55 million years ago, even though the planet is 4.54 billion years old and the first life goes back at least 3.5 billion years. Dinosaurs had been extinct for 10 to 15 million years when this happened.