Homework Answers
13. Natural selection is consistent in producing adaptation as it includes mutation, genetic drift, migration etc.
14. Dispersal is not a very much possible result when isolated population come in contact.
15. Sexual recombination is the greatest factors producing variations in diploids.
16. Diversifying happens in intermediates as they are the organisms who are the intermediate between the two type of organisms which later on diversify and become two distinct species.
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13. Which of the following is the only evolutionary process that consistently produces adaptation? a. Genetic...
17. Who is Mitochondrial Eve, and what is significant about her? Was she a real person?...
17. Who is Mitochondrial Eve, and what is significant about her? Was she a real person? Explain. 18. How do organisms that only reproduce via asexual reproduction produce genetic variation? a. disruption b. mutation C. refinement d. reservation e conservation 19. Which one does not belong for Pre-zygotic barrier? a. Habitat b. Gametic barrier c. Hybrid sterility d. Mechanical e. Temporal 20. T/F A change in allele frequencies is known as microevolution
16. Which mode of natural selection is demonstrated by the Ginkgo tree today remaining essentially similar...
16. Which mode of natural selection is demonstrated by the Ginkgo tree today remaining essentially similar morphology since the Mesozoic era? a. stabilizing b. directional c. diversifying d. sexual e. artificial 17. Which scenario will demonstrate disruptive (diversifying) selection? a. There is heterozygote advantage (heterozygous individuals have the highest fitness). b. Female flies collect sperm from different males in her sperm bag. c. Individuals with intermediate phenotype are inferior competitors against homozygous individuals d. Insects become resistant to the most...
Genetic drift can be an important evolutionary process. This is due to the fact that (A...
Genetic drift can be an important evolutionary process. This is due to the fact that (A natural selection acting on the genetic variation of a large population B small isolated populations are unable to defend themselves from predators, therefore they loos genetic diversity. Natural selection, in this case, has less variation to work with. C when genetic drift is the only evolutionary process at work, one allele may be lost forever and the other may become fixed (100% frequency). D)...
7) Which of the following is likely to be the result of polygenic inheritance? A) freckles...
7) Which of the following is likely to be the result of polygenic inheritance? A) freckles B) an extra finger Chuman height D) ABO blood type 8) Genetic drift is the result of A) natural selection l o olovo od B) chance lo l o boldog C) a large gene pool h o mbo D) environmental variation of 9) Gene flow is accomplished by A) migration B) sexual recombination C) mutation D) natural selection 10) What does evolutionary fitness measure...
37.E Coli evolve rapidly via natural selection. Specifically, which of the 3 steps of natural selection...
37.E Coli evolve rapidly via natural selection. Specifically, which of the 3 steps of natural selection accounts for small mutations improving efficiency, ultimately allowing E. Coll to eat citrate? a. Potentiation b. Acclimation c. Actualization d. Refinemente. Rearrangement 38. Pocket mice with different coat colors living in 2 distinct habitats in the Sonoran Desert are an example of which type of natural selection? a. Directional b. Stabilizing c. Disrupting d. Correlating e. None of the above 39. Explain how natural...
Select the option that contains three evolutionary forces a) natural selection, genetic drift, gene flow b)...
Select the option that contains three evolutionary forces a) natural selection, genetic drift, gene flow b) somatic cells, chromosomes, natural selection c) non-random mating, genomes, variation d) proteins, genetic drift, alleles e) natural selection, DDT resistance, environment
Of the following evolutionary forces; crossing over, directional selection, mutation, speciation, stabilizing selection, sex, gene flow...
Of the following evolutionary forces; crossing over, directional selection, mutation, speciation, stabilizing selection, sex, gene flow and genetic drift which promote or maintain genetic variation within a population? a) crossing over only b) directional selection and sex c) directional selection, mutation, and speciation d) crossing over, mutation, sex, and gene flow e) only sex Of the following evolutionary forces, crossing over, directional selection, mutation, speciation, stabilizing selection, sex, gene flow and genetic drift which promote genetic differentiation (divergence) among populations?...
Which of the following are evolutionary forces that account for change in the genetic composition of...
Which of the following are evolutionary forces that account for change in the genetic composition of populations? a. natural selection b. antagonism c. symbiosis d. all of the above e. none of the above Select one: O A. A O B.B OC.C O D.D O E.E
Which of the following statements about genetic drift as an evolutionary factor is true? a. It...
Which of the following statements about genetic drift as an evolutionary factor is true? a. It is more potent in a population with small numbers than in a population with large numbers. b. It is responsible for the selection of mutations. c. It is connected to the movements of alleles between populations of a single species. d. Its strength is proportional to the size of a population: the larger the population, the greater the force. e. Both a and b
Page 2 7. In a species of non-poisonous butterfly species are avoided by predatory birds: individuals...
Page 2 7. In a species of non-poisonous butterfly species are avoided by predatory birds: individuals that are intermediate closely match either of the two poisonous species are readily eaten by predators. This isanampe tropical butterfly, individuals that resemble one or the other of two poisonous in appearance and do not a. directional selection b. stabilizing selection c. disruptive selection d. genetic drift e. gene flow 8. An evolutionary process that reduces among-population genetic variation genetic variation is: but increases...
17. Who is Mitochondrial Eve, and what is significant about her? Was she a real person? Explain. 18. How do organisms that only reproduce via asexual reproduction produce genetic variation? a. disruption b. mutation C. refinement d. reservation e conservation 19. Which one does not belong for Pre-zygotic barrier? a. Habitat b. Gametic barrier c. Hybrid sterility d. Mechanical e. Temporal 20. T/F A change in allele frequencies is known as microevolution
16. Which mode of natural selection is demonstrated by the Ginkgo tree today remaining essentially similar morphology since the Mesozoic era? a. stabilizing b. directional c. diversifying d. sexual e. artificial 17. Which scenario will demonstrate disruptive (diversifying) selection? a. There is heterozygote advantage (heterozygous individuals have the highest fitness). b. Female flies collect sperm from different males in her sperm bag. c. Individuals with intermediate phenotype are inferior competitors against homozygous individuals d. Insects become resistant to the most...
Genetic drift can be an important evolutionary process. This is due to the fact that (A natural selection acting on the genetic variation of a large population B small isolated populations are unable to defend themselves from predators, therefore they loos genetic diversity. Natural selection, in this case, has less variation to work with. C when genetic drift is the only evolutionary process at work, one allele may be lost forever and the other may become fixed (100% frequency). D)...
7) Which of the following is likely to be the result of polygenic inheritance? A) freckles B) an extra finger Chuman height D) ABO blood type 8) Genetic drift is the result of A) natural selection l o olovo od B) chance lo l o boldog C) a large gene pool h o mbo D) environmental variation of 9) Gene flow is accomplished by A) migration B) sexual recombination C) mutation D) natural selection 10) What does evolutionary fitness measure...
37.E Coli evolve rapidly via natural selection. Specifically, which of the 3 steps of natural selection accounts for small mutations improving efficiency, ultimately allowing E. Coll to eat citrate? a. Potentiation b. Acclimation c. Actualization d. Refinemente. Rearrangement 38. Pocket mice with different coat colors living in 2 distinct habitats in the Sonoran Desert are an example of which type of natural selection? a. Directional b. Stabilizing c. Disrupting d. Correlating e. None of the above 39. Explain how natural...
Which of the following are evolutionary forces that account for change in the genetic composition of populations? a. natural selection b. antagonism c. symbiosis d. all of the above e. none of the above Select one: O A. A O B.B OC.C O D.D O E.E
Page 2 7. In a species of non-poisonous butterfly species are avoided by predatory birds: individuals that are intermediate closely match either of the two poisonous species are readily eaten by predators. This isanampe tropical butterfly, individuals that resemble one or the other of two poisonous in appearance and do not a. directional selection b. stabilizing selection c. disruptive selection d. genetic drift e. gene flow 8. An evolutionary process that reduces among-population genetic variation genetic variation is: but increases...
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