Gene duplication A A Evolution AI A2 Speciation AI A2 AI A2 Evolution AI A2 AI A2 Evolution A A2 BI B2 Conclusion: Genes A1 and A2 are paralogs. Genes B1 and B2 are paralogs. Genes A1 and B1 are orthologs. Genes A2 and B2 are orthologs. 20.9 Homologous genes are evolutionarily related.

Q: The term biological introgression, or the introduction of genetic material into a population, is…

A: Introgression, also known as  introgressive hybridization is the incorporation of alleles from one…

Q: Evolution, which involves genetic changes in a population of organisms over time, is often described…

A: Evolution is considered as a key unifying principle in biology. There is a popular saying that…

Q: 2. Two sequences are said to be homologous if: A. they have diverged from a common ancestor. B.…

A: Homologous sequence is derived from the word “homo” which means same and “logous” which makes…

Q: 1. How does genetic drift affect human evolution? Discuss it and present possible evidences.

A: Genetic drift is a mechanism of evolution in which allele frequencies of a population change over…

Q: 1. Which is a more definite characteristic to show relatedness of two organisms? A. Similarity in…

A: Answer  1st question answer is Option D 2nd question answer is option C

Q: 5. Which of these CANNOT result in evolution? O Mutations O Natural selection OSmall population size…

A: Evolution is a steady phenomenon that brings about change and alter life from simplex to more…

Q: 10. a) The two extant species that are closely related to ca other are Present 10 MYA Genetic…

A: A phylogeny is a hypothesised connection between groups of creatures that is represented by a…

Q: You are collaborating with a cool new local brewery on an experiment with one of their strains…

A: Mutations are sudden heritable changes that occur throughout Nature. Often mutations can make…

Q: 100 75 C 25 A. 25 50 75 100 125 MILLIONS OF YEARS AGO 1. What is the rate of evolution of this gene…

A: The rate of evolution estimates how much an evolutionary lineage has changed over time.  MacFadden's…

Q: An analysis of the human genome revealed that some regions of DNA that are highly conserved across…

A: Evolution has made every species become fit and has provided the species with reproductive fitness ,…

Q: When considering new genes in different species, which of the following is NUT true? Duplication and…

A: Answer. Acquisition of new genes. There are two fundamentally different ways in which new genes…

Q: Black lava rocks only appeared in the desert about 1000 years ago. If the first dark-colored rock…

A: It's depends on how fast new mutation occur

Q: The Most Recent Common Ancestor (MRCA) is an individual who donated DNA to every single living…

A: The statement that describes the human MRCA based on mitochondrial evidence is: A. A woman who lived…

Q: B. Convergent evolution C. Divergent evolution 30. When organisms develop similar features in…

A: Coevolution can be referred as joint evolution of species which are  ecologically interacting…

Q: What general term describes any character state that is modified relative to an ancestor?    1…

A: Correct Answer:  Derived State Derived State is also known as Apomorphy. It involves characters that…

Q: Mitochondrial DNA sequences are often used to study a relationship between______ . a. different…

A: BASIC INFORMATION  CELL It is considered as the basic unit of life Every organism is made up of…

Q: The human genome holds an extraordinary amount of information about human development, medicine, and…

A: The human genome is a complete set of nucleic acid sequences for humans, encoded as DNA in cell…

Q: select the correct options: A) For organisms that diverged  >74 mya, ignore 3rd base positions…

A: Phylogenetic  In biology, phylogenetic is the study evolutionary history and relationships between…

Q: Following a gene duplication, two genes will accumulate different mutations, causing them to have…

A: Duplication occurs when a broken end of a chromosome is added from its homologous chromosomal…

Q: Steven Frank and Laurence Hurst argued that a cytoplasmically inherited mutation in humans that has…

A: The inheritable disease that caused vision loss more in males and less in females is Leber…

Q: When comparing evolutionary similarities between different genes within a gene family, it is usually…

A: As we know DNA is the basic Hereditary molecule and encodes the genes that have all information.…

Q: explain the role of variation in evolution.

A: Evolution is the change in the genetic composition of a population. When organisms move from one…

Q: 375 million years ago, the population of organisms we call Tiktaalik had variation in many aspects…

A: Tiktaalik roseae  is a 375 million year old fossil fish which was discovered in the Canadian Arctic…

Q: f humans evolved from apes, why are there apes until today?

A: Evolution is the process of changing the heritable characters of populations of organisms over…

Q: The tails of dolphins and whales are considered analogous to fish tails because ... Group of answer…

A: Convergent evolution is a type of evolution where different species of organisms produce similar…

Q: COLUMN A COLUMN B COLUMN C E. Development of the anatomy of an organism to its adult form A. Fossil…

A: Fossil record is the history of life as documented by fossils. These are the remains or imprints of…

Q: Why is mutation important to evolution if it is the microevolutionary force t

A: Mutation is the process in which the DNA sequences are changed due to misplaced entries, deletion or…

Q: Discuss why Miller-Urey experiment was important to support the theory of evolution?

A: The first organisms to have evolved on the earth were heterotrophic and anaerobic. As there was no…

Q: The genetic difference between two Drosophila species, D. heteroneura and D. silvestris, as measured…

A: The genetic difference between two Drosophila species, D. heteroneura and D. sylvestris, as measured…

Q: Which of the following statements describe convergent evolution? *

A: This question is based on convergent evolution.

Q: The Most Recent Common Ancestor (MRCA) is an individual who donated DNA to every single living…

A: Introduction Human evolution:- It is the lengthy process of change by which people originated from…

Q: Explain some modern evidences of evolution. Please elaborate all and put definition and examples if…

A: Evolution Darwin defined evolution as "descent with modification," a multigenerational process in…

Q: The post-synthesis ideas about evolution: A. put less emphasis on DNA sequences B. recognize…

A: Hello! Since you have posted multiple questions, we are answering the first question only. Kindly…

Q: . DNA sequences in many human genes are very similar to thesequences of corresponding genes in…

A: Chimpanzees are genetically similar to humans and share around 98%  of the same DNA as compared to…

Q: Explain the neutral theory of molecular evolution (20%) and how you use it as a null hypothesis to…

A: There are multiple evolutionary terms that helps in establishing a role in the molecular evolution.…

Q: The raw material for evolution is random mutation. Discuss whether or not you view evolution as a…

A: The process of Biological evolution refers to the cumulative changes that occur in a population over…

Q: Compare and contrast the neutral theory of evolution and the Darwinian (i.e., selectionist) theory…

A: The evolution of living organisms is the result of two processes. To begin with, evolution relies…

Q: What is the F.A.M.E. evidence of evolution? What are the examples of each

A: The change in the characteristics of a species that appeared over a period of several generations…

Q: The Most Recent Common Ancestor (MRCA) is an individual who donated DNA to every single living…

A: Answer

Q: Segmental duplications play an important role in evolution by a. giving rise to new genes and…

A: Evolution is a process of the change in the characteristics of a species over several generations…

Q: Modern dogs are direct descendants of the gray wolf. They first appeared about 130,000 years ago.…

A: Selective breeding(artificial selection) is defined as the process where the humans breeds two…

Q: A forward mutation is O A. a mutation that changes any allele to another allele O B. a mutation that…

A: Mutation may be a modification within the deoxyribonucleic acid at a selected locus in associate…

Q: An octopus and an owl both have large eyes with similar structures.  If their most recent common…

A: Genetic drift, mutation, Gene flow are chance events and hence not responsible for generating…

Q: Punctuated Equilibrium is a hypothesis that ... O suggests that evolution is not gradual but occurs…

A: Punctuated equilibrium is a hypothesis that evolution of a species is marked by sudden isolated…

Q: In 1973, biologist Theodosius Dobzhansky wrote an essay titled "Nothing in Biology Makes Sense…

A: In biology, evolution is the net directional change in the traits of animal groups over a few ages…

Q: The experiment that involved moving guppies to different streams was an example of which type of…

A: Guppies are fresh water aquarium fish which are also known as million fish or rainbow fish.

Q: Do you think it is important that all species be prevented from going extinct? Explain your…

A: Extinction is a phenomenon in which  organisms and their species are completely wiped off from the…

Q: Match the terms to their descriptors. NOTE: If you want to change your selection, you'll need to…

A: Two species evolve in different directions from a common starting divergent evolution Two…

Q: Background: In class we did a project about m and m’s and there ability to evolve and natural…

A: Natural selection is basically the central concept of evolution. Natural selection is the process…

Q: The ancestor of cats was presumably homozygous for wild type at all of the described genes. 1a.…

A: Homozygous cat for the given trait below :-

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.