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- 1 Refer to the following to answer the two questions that follow: A population begins with 100 individuals who have the genotype Aa. After 10 generations of breeding, there are 20 AA, 40 Aa, and 40 aa. 24. How many A and a alleles are present after 10 generations? Use the method you used in the allele frequency simulation. a. 80 A; 80 a b. 60 A; 120 a ✓ c. 40 A; 80 a d. 80 A; 120 a e. 120 A; 80 a leles after 10 generations? Use the method you used in theWhich of the following is not an adaptive feature of an opportunistic life history pattern?a. many offspringb. little or no care of offspringc. long life spand. small individualse. individuals that mature quicklyAdaptation can best be described as A. The change in the genetic characteristics of a population of organisms over time B. Evolutionary changes on a large scale C. Gives us Genotype frequency of a population that is not evolving D. Any feature of the organism that leads to improvement in performance in the environment
- 22. The graph shows the distribution of a trait in an animal population. mean Range of variable If the species were to undergo stabilizing selection in which extreme phenotypes were selected against, how would the graph be expected to change? A. The peak would move to the left. B. The peak would move to the right. C. The peak would become taller and narrower. D. The peak would become lower and more rounded. EducationTM Inc. Aouenber2) The Hardy-Weinberg principle tells us what to expect when a sexually reproducing population is a.not evolving b.increasing in size c.changing in size d.evolving e.not evolving under natural selection specifically1. The image shows a model of a reproductive strategy of an 2. The bird in the picture feeds on mice. A major forest fire resulted in a layer of ash that darkened the soil on which the mice lived. The illustration shows the distribution of mice over time. organism. What type of reproduetive strategy is shown in the model Make a claim about why the color distribution in the mouse population changed over time. Provide evidence to support and what is an evolutionary disadvantage of it? your claim. 1 2 3 Number of Weeks after the Forest Fire
- 1. Explain how a phenotype can increase, decrease, or have no effect on an organisms fitness. 2. Explain what would happen if a particular hair color suddenly gave an advantage under existing environmental conditions. 3. What components in an environment may be different on either side of the barrier? 4. What does the term "reproductive isolation" refer to? 5. Can you hypothesize how three organisms can have similar structures, yet they serve different functions? 6. It would seem that wisdom teeth no longer serve a purpose. Can you propose what purpose they served earlier in our evolution? 7. Explain why the pharyngeal slit becomes the Eustachian tube in humans and a gill in fish.Define gene mutation Group of answer choices A. the process whereby organisms better adapted to their environment tend to survive and produce more offspring. B. the introduction of genetic material (by interbreeding) from one population of a species to another, thereby changing the composition of the gene pool of the receiving population C. variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce. D. A rare and random change in a gene that can be bad or benef icial depending on the environment .1.True or false: If the Hardy-Weinberg equation predicted a homozygous recessive genotype frequency of 0.16, and you found that 16% of the individuals in the next generation had the recessive phenotype for the trait in question, this would mean the trait is evolving. 2.True or false: It is theoretically possible for a population to NOT evolve for some amount of time 3.true of false.In the "energy expansion" hypothesis that explains the sequence of major events in the history of life, different forms of energy, each containing more available energy then the previous, become available to life over time. 4.True or false: A mutation that effects the phenotype of an organism can be either adaptive or harmful depending on the selective environment 5.True or false: In sexually reproducing organisms theory predicts that speciation will occur when reproductive isolation is achieved. For this to occur, a population must be physically separated into two or more isolated locations.…
- 6. Interpreting Data The figure below shows the frequency of foot phenotypes in a population of blue-footed boobies. What is the frequency of the w allele in this population? a) 0.2 b) 0.4 Phenotypes c) 0.5 Genotypes ww Ww ww d) 0.6 Number of animals (total = 500) 320 160 20 © 2018 Pearson Education, Inc. 7. Interpreting Data The figure below shows the frequency of foot phenotypes in a population of blue-footed boobies. What is the expected frequency of the WW genotype in this population assuming the population is in Hardy-Weinberg equilibrium? (Hint: The frequency of W is 0.5 and the frequency of w is 0.5.) a) 0.20 Phenotypes b) 0.25 c) 0.40 Genotypes ww Ww w d) 0.50 Number of animals (total = 500) 320 160 20 © 2018 Pearson Education, Inc. 8. Interpreting Data The figure below shows the frequency of foot phenotypes in a population of blue-footed boobies. Is this population in Hardy- Weinberg equilibrium? а) yes b) no Phenotypes Genotypes Ww ww Number of animals 320 160 20 (total =…1. If the value of linkage disequilibrium (D) is equal to -0.25, one can infer that the alleles at the two loci are a. in repulsion. b. in coupling. c. in linkage disequilibrium. d. A and C e. None of the above 1b. Artificial selection occurs when a. the extremes of a population have a better chance to survive b. humans determine which organisms will survive and reproduce c. the organisms on one extreme of the population will have a better chance to survive than those on the other extreme d. the environment controls which organisms will survive 1c. Which of the following are some of the viruses' subversive strategies in manipulating human immune system? a. down-regulation of the expression of MHC molecules b. degradation of the immune system's chemokine signals c. both a and b d. none of the above 1d. Homeotic genes a. only specify the anterior-posterior axis for each fruit fly segment b. are found only in Drosophila and other arthropods c. encode…10 11 12 13 14 15 16 Moving to another question will save this response. Question 5 Accurately complete the statement Evolution is best defined as... O a.a large, randomly mating population. Ob. random changes in a population that occur from generation to the next. Oc, survival of the fittest. d. change in allele frequencies over time. A Moving to another question will save this response.