Q: discuss the role of chance and direction in evolution and in determining the phenotype of a…
A: As the evolution is a change in a trait or characteristic that evolve over generation and this occur…
Q: Explain the stabilizing selection effects on the phenotypic mean and the amount of phenotypic…
A: Stabilizing selection is a type of natural selection in which genetic diversity decreases as the…
Q: The graphs to the left and right respectively refer to before and after selection. Which type of…
A: Introduction: Ecological selection is the natural selection of species that are more adapted to the…
Q: Describe why fitness has a molecular basis. How does DNA play a role in an organism's fitness? Is…
A: DNA(deoxyribonucleic acid) is defined as the biological molecule that carries all the genetic…
Q: Understand the importance of genetic variation toevolutionary change.
A: Introduction In the population there is a great variation present in the genetic information of any…
Q: What is NOT one of the 5 components of fitness??
A: Physical fitness is the ability of the body to perform activities like sports, normal health in…
Q: Joshua Akey found evidence that ancient DNA in humans may have had what impact on fitness? Positive…
A: Joshua Akey works at the Lewis-Sigler Institute for Integrative Genomics as a professor. He is…
Q: Answer number 4 and 5. State whether it shows diversifying, directional, or stabilizing selection.…
A: The natural selection is the process by which evolution occurs and in this process the most favoured…
Q: Which of the following is the best definition of fitness? a. The ability to increase the number of…
A: Evolution can be defined as a process by which organisms change their characteristics over time. It…
Q: Natural selection tends to work toward genetic unity; the genotypes that are most fit produce the…
A: According to our guideline we can't provide the reference of the answer. In the nature variation…
Q: Which of the following is the degree of an organism’s adaptation to an environment, as measured by…
A: Adaptation An evolutionary mechanism where organisms modify or change there internal or external…
Q: Define natural selection and fitness
A: Introduction Evolution is the key process which regulates the survivability and continuity of…
Q: Describe an experiment that could be performed to test the effects of adaptations on tiger's…
A: Introduction :- The tiger is the largest living cat species in the world. It is a member of the…
Q: Relative fitness is more important than absolute fitness because ________ . a. Evolutionary change…
A: Relative fitness is not calculated by dividing the absolute fitness with each other, option b is…
Q: Which of the following are arguments against the expression "survival of the fittest"? Choose all…
A: "Survival of the fitness"is a phrase which become famous in On the Origin of Species of Charles…
Q: Explain the disruptive selection effects on the phenotypic mean and the amount of phenotypic…
A: Disruptive selection is the selection that selects the individuals with extreme values rather than…
Q: Which of the following would be the best measure of an organism’s evolutionary fitness?…
A: Fitness or reproductive fitness means that the species which are fit which result in large number of…
Q: What is meant by the term ‘fitness’ in the sense it is used in Evolutionary theory?
A: Biogeography refers to the study of distribution of the species and ecosystem in geographical space…
Q: Please help with the following: Alleles that increase resistance to disease are expected to…
A: Artificial selection process is done by human. In balancing selection nature select both the copy…
Q: Describe how a) genetic drift, b) natural selection, and c) mutation affect the fitness of…
A: Genetic drift : It is the change in the frequency of an existing gene variant in a population due to…
Q: Compare and contrast directional selection and disruptive selection, and provide an example of each.
A: Directional selection is a kind of natural selection in which only a single phenotype is favored…
Q: Describe genotype frequencies and allele frequencies in a population.
A: The frequency of genotype in a population is the number of people with a given genotype divided by…
Q: Explain how the phrase survival of the fittest differs from the biological definition of relative…
A: Natural selection: It is an evolutionary process by which living organisms adapt to their…
Q: Describe natural selection and give an example of natural selection at work in a population.
A: Natural Selection means by the phenomenon of the survival of the fittest, only those populations or…
Q: Explain into details, the concept of fitness in evolution
A: Gene expression is a process by which the genes are turned on to form RNA and proteins. This is seen…
Q: Which of the following terms are used to apply ONLY TO SELECTION, and never to just evolution.…
A: Founder effect:- the reduced genetic diversity which results when a population is descended from a…
Q: Statement A: Natural selection creates new traits. Statement B: Natural selection increases or…
A: Natural selection is the process in which heritable traits that make it more likely for organisms to…
Q: Population and Quantitative Genetics. Assume the mean value for Trait A in Generation 0 is 0.5.…
A: From the base population, the individuals are selected with the desired phenotypic value. These…
Q: Why is "fitness" in selection referred to "relative fitness"? Group of answer choices A_"Relative…
A: The change in the heritable characteristics of the species across many generations is called…
Q: Describe the similarities and differences among directional, balancing, disruptive, and stabilizing…
A: The process of natural selection can operate in a population either in the form of directional,…
Q: Which of the following are equivalent ways to talk about an allele or genotype of individuals who…
A: Microevolution (change in allele frequencies) may be caused by natural selection, with…
Q: Does fitness(as used in biology) and survival have the same meaning? Why or why not?
A: Charles Darwin, an English naturalist proposed the theory of survival of fittest and natural…
Q: Give one example of how allele frequencies change from one generation to the next due to mutation,…
A: Mutation: is an alteration in the nucleotide sequence of the genome of an organism, virus, or…
Q: This type of selection favors individuals with alleles at both end of the spectrum of Traits
A: Diversifying (or disruptive) selection: Diversifying selection occurs when extreme values for a…
Q: Explain, draw, and provide example of directional, stabilizing and disruptive selection.
A: Alteration in the inheritable traits, over long periods, can happen in a population. It is…
Q: Describe an example of evidence for natural selection and an example of evidence for artificial…
A: Natural selection Is a natural process in which organisms that are better adapted to their…
Q: Explain the Fundamental Theorem of Natural Selection Fisher
A: R. A. Fisher was a prominent scientist of the twentieth century. He is regarded as the only creator…
Q: why fitness comes only by developing a balanced approach to life in all of the important spheres of…
A: Fitness or health is the well being of the body mind and soul. Only if all the systems or realms of…
Q: Compare and contrast direct and indirect selection.
A: In natural populations, the selection is rarely directed at a single trait. Survival and death will…
Q: Which is correct for the stated question
A: Introduction Evolution is a continuous process of change that helps a species to adapt and survive…
Q: Describe the nature and extent of genetic variation, including genetic polymorphism, balanced…
A: There are basically three types of genetic variation. These are: Single base-pair substitution –…
Q: In a population, allele a has a fitness value of 1; allele b has a fitness value of .9 allele c has…
A: Fitness: In evolutionary biology, fitness is a quantitative measure of natural and sexual selection.…
Q: Sexual and Ecological selection often oppose each other: give 2 examples
A: Sexual selection - refers to the selection of mates mostly by females of the species. For this…
Q: What is fitness? To what degree does fitness dependon the environment in which organisms live?
A: According to the theory of natural selection, organisms acquire changes during their life time and…
Q: Which of the following terms are used to apply ONLY TO SELECTION, and never to just evolution.…
A: the cost or benefit according to natural selection is outweighed by the benefit of sexual selection.…
Q: Suppose there is a deleterious mutation in some human gene that causes loss of function very late in…
A: Mutations are very common and they can happen in any strand or in any part in the genome if they…
Q: As completely as possible, discuss the role of chance and direction in evolution and in determining…
A: Evolution is a change in the heritable characteristics of biological populations over successive…
Q: State and explain the factors that produce genetic variation among populations.
A: Mutations: Changes in genetic constitution of individuals is known as mutation and is the main…
Q: An organism’s relative fitness is measured by its ______. Group of answer choices Mutation rate…
A: Relative fitness: A measurement of biological fitness in which a genotype's or phenotype's…
Define the term fitness and relate it to the meaning of selection coefficient.
A population is a group of individuals of a single species that lives together in a given area, they compete with each other for their basic needs of food and shelter this measure their growth and survival.
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- Explain how the phrase survival of the fittest differs from the biological definition of relative fitness.What is meant by the term ‘fitness’ in the sense it is used in Evolutionary theory? Be specific and accurate.Describe why fitness has a molecular basis. How does DNA play a role in an organism's fitness? Is DNA the only way an organism's fitness can be increased?
- Explain the concept fitness in relation to natural selectionDefine fitness and relate it to both natural selection and adaptation.Which of the following is the best definition of fitness? a. The ability to increase the number of alleles in a gene pool b. The ability to survive for a long time c. The ability of an individual to adapt to a changing environment d. The ability to produce many offspring