Which of the following statements best describes artificial selection as an important mechanism of evolution? Artificial Selection is based only on the personal interest of genetic engineers. O Human practices such as forest fires and the Kaingin system can make species become more heat resistant. O GMOS are naturally occurring variants of organisms and must not be part of evolution. Selective breeding could give rise to new variants of species.

Which of the following statements best describes artificial selection as an important mechanism of evolution? Artificial Selection is based only on the personal interest of genetic engineers. O Human practices such as forest fires and the Kaingin system can make species become more heat resistant. O GMOS are naturally occurring variants of organisms and must not be part of evolution. Selective breeding could give rise to new variants of species.

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter19: Evolutionary Change In Populations

Section: Chapter Questions

Problem 10TYU: Which of the following is not true of natural selection? (a) natural selection acts to preserve...

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When considering synonymous and nonsynonymous mutations within a population, which of the following is TRUE? O Nonsynonymous mutations will more often be removed by purifying selection The two types of mutations are not distinguished by purifying selection O Synonymous mutations will more often be removed by purifying selection Only synonymous mutations are retained by natural selection O Only nonsynonymous mutations are retained over the course of evolution
Which of the following is NOT one of the three features of evolution by natural selection? Offspring tend to resemble their parents because of heredity. O Individuals in populations show variation in their phenotypes. Organisms can induce the phenotypic changes they need to survive and reproduce in a given environment. O Some individuals survive and reproduce better than others, because of their phenotypes.
What theory of molecular evolution offers a baseline expectation of how DNA should change over time when natural selection is absent? O positive selection O neutral evolution O purifying selection O negative selection
Which of the following is not true of natural selection? (a) natural selection acts to preserve favorable traits and eliminate unfavorable traits (b) the offspring of individuals that are better adapted to the environment will make up a larger proportion of the next generation (c) natural selection directs the course of evolution by preserving the traits acquired during an individuals lifetime (d) natural selection acts on a populations genetic variability, which arises through mutation (e) natural selection may result in changes in allele frequencies in a population
EVOLUTION LINK Write short paragraphs explaining each of the following statements: (a) Natural selection chooses from among the individuals in a population those most suited to current environmental conditions. It does not guarantee survival under future conditions. (b) Individuals do not evolve, but populations do. (c) The organisms that exist today do so because their ancestors had traits that allowed them and their offspring to thrive. (d) At the molecular level, evolution can take place by the replacement of one nucleotide by another. (e) Evolution is said to have occurred within a population when measurable genetic changes are detected.
Which of the following is true about natural selection? O It can only act on traits that are heritable and show variation. It always favors large, strong individuals. It allows species to choose what adaptations are passed on to offspring. O It acts on individual organisms, helping them become better adapted to their environment.
What type of selection favors one extreme phenotype leading to loss of genetic variation? Select one: O Directional O Disruptive O Balancing O Stabilizing O Adaptation Which of the following is true about natural selection? Select one: O Can generate totally new genetic material O Is directed toward a goal O Can lead to perfection O Is not the only process that leads to evolution O Changes Individuals
Which of the following best describes natural selection? O It is a guess made by scientists about how life develops, but it has no hard evidence to support it. It is the idea that the strong survive and the weak die off. It is the idea that organisms with genetic traits that improve their ability to reproduce are more likely to pass those traits on to future generations. It is the idea that organisms naturally increase in complexity and intelligence with time.
The neutral theory of evolution proposed that most genetic mutations are functionally neutral or nearly neutral. Neutral mutations would be fixed in a population by: O the invariance of DNA O random genetic drift O balancing selection natural selection asexual reproduction
Which of the following is NOT required in order for natural selection to occur in a population? O All of these are required for natural selection to occur O There is variation in phenotypes of individuals in the population O Individuals with some phenotypes produce more offspring than individuals with other phenotypes O Individuals in the population compete with one another for mates O Offspring inherit traits from their parents
Which of the following is likely to be most important in the evolution of two species from one population of another species? O some kind of barrier that physically divides the original species into two sub-populations a change in the environment such that one sub-population experiences differential natural selection O reduced performance of gametes (e.g., pollen) in crosses between sub-populations O reduced fitness of offspring resulting from crosses between sub-populations genetic divergence and cessation of gene flow between sub-populations
4 10 11 120 13 14 150 O 4. His work mirrored Darwin's work to the point that Darwin felt he needed to publish Ori for the discoveries in the book O 5. He promoted the book on social media QUESTION 18 An example of Directional Selection is: O 1. Choosing "ANTH 1200" as a the highest priority course on your registration form O 2. Transporting part of the DNA outside the nucleus and into the cytoplasm 3. the size of finch beaks evolving larger when food is scarce O 4. Larger than average sparrows dying after a snowstorm 5. Gamete cell division resulting in two identical cells QUESTION 19 Click Save amd Submit to save and submit. Click Save All Answers to save all answers. hp