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Evolution Study Guide Final Exam

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Page 1

Question 1 1. Animals that do not have a back bone are best known as:

Question 2 2. What characteristic does not describe both plants and fungi?

Question 3 3. Sickle cell anemia results from a mutation in the hemoglobin gene on both homologous chromosomes. At conception, which of the following is a plausible explanation for why some people with this mutation might not be at risk of developing sickle cell anemia?

Question 4 4. The species of humans that exist today are referred to as

Question 5 5. Which of the following distinguishes human communication from other primates?

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Question 6 6.

Place the following terms in order of increasing complexity within the cell:

I. Genome

II. DNA

III. chromatin

IV. nucleosome

Question 7 7. Primates can be grouped into two main categories. Which of the following correctly pairs the group with the location?

Question 8 8. Which of the following statements about species is MOST accurate?

Question 9 9. A nucleic acid monomer is called:

Question 10 10. What is proteomics?

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Question 11 11. According to the phylogenetic tree, which organisms are the least related to each other evolutionarily?

Question 12 12. Consider the following scenario. The coat color gene of a population of squirrels is defined by dominant allele G, which encodes a gray coat, and recessive allele g, which encodes a black coat. In a population, genetic typing reveals the genotypic distribution to be 50 GG, 30 Gg, and 20 gg. What is the allelic frequency of the G allele?

Question 13 13. Which of the following is not a distinctive characteristic of primates?

Question 14 14. A farmer mates a goat and a sheep together. However, he finds he cannot use this hybrid animal to produce any new hybrids. This is an example of _____.

Question 15 15.

After observing a population of fish with interesting protective spines, a scientist decides to move two of the fish into a new pond to create a new population of fish to study the ability of the fish to survive a new set of predators. Which of the following evolutionary agents did the scientist introduce?

I. Natural selection

II. Founder effect

III. Mutation

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Question 16 16. Which best describes natural selection?

Question 17 17. A postzygotic _____ is a mechanism that reduces the viability or reproductive capacity of hybrid offspring.

Question 18 18. Which of the following is an accurate statement?

Question 19 19. If a clade has a known common ancestor and displays all of its descendants, it is called:

Question 20 20. Why is the peppered moth phenomenon uncommon?

Page 5

Question 21 21. What was the vessel upon which Darwin voyaged five years early in his career?

Question 22 22. Which of these is true of the Regional Continuity model of human origin?

Question 23 23. Which of these is the most modern species of humans?

Question 24 24.

Which of the following is an example of a homologous structure or trait?

I. Leg bones of a human and leg bones of a penguin

II. Wing of a penguin and wing of a mosquito

III. Beak of a penguin and beak of a duck

Question 25 25. What scientist is credited with the idea that early life on Earth formed through a series of reactions that made simple compounds gradually more complex?

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Question 26 26. Which of these is true of the Replacement model of human origin?

Question 27 27. Which is true about evolution?

Question 28 28. Which best describes a genome?

Question 29 29. Which correctly orders the three major eons from oldest to newest?

Question 30 30.

Consider a population where the number of dorsal spines on a fish is determined by a single gene, which is defined by two different alleles. The dominant A allele encodes a long spine and recessive a allele encodes a short spine. The fish is diploid and reproduces sexually. If the number of AA individuals in the population is 500, the number of Aa individuals is 100, and the number of aa individuals is 400. If a new population was started with 10 AA, 20 Aa, and 10 aa fish, which of the following statements are true about the new population?

I. The population is in equilibrium.

II. The population is not in equilibrium.

III. The observed number of fish with short spines exceeds the expected.

IV. The expected number of AA individuals exceeds the number of observed.

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Question 31 31. If the diploid chromosome count in humans is 46, how many pairs of homologous chromosomes are there?

Question 32 32. The study of the allelic, genotypic, and phenotypic variation within a population is called:

Question 33 33. A phosphodiester bond links:

Question 34 34. Who is credited with first theorizing that humans advanced over a vast amount of time, moving along the evolutionary ladder from apes to Homo sapiens

Question 35 35. Homo habilis lived during a timeframe most similar to:

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Question 36 36. Why is Brassica rapa a good model organism for genetics studies?

Question 37 37. In which method of DNA Replication would new DNA consist of alternating parent and daughter DNA?

Question 38 38. Which of the following differentiates humans from other hominoids?

Question 39 39.

Which of the following is an example of polyploidy?

I. An insect with n = 4 has 8 total chromosomes in each somatic cell

II. A plant with n = 12 has 48 total chromosomes in each somatic cell

III. A fish with n = 66 has 132 total chromosomes in each somatic cell

Question 40 40. According to the cladogram shown, which organisms are most closely related?

Page 9

Question 41 41. How many chromosomes can be lost before it is considered a lethal event?

Question 42 42. Humans are animals which are best classified as:

Question 43 43. Who is credited with theorizing that humans advanced over a vast amount of time, moving along the evolutionary ladder from apes to Homo sapiens?

Question 44 44. Speciation:

Question 45 45. How does the fossil record support evolution?

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Question 46 46. Of the following, which group(s) of protists is(are) heterotrophs?

Question 47 47. What is the main difference between natural selection and artificial selection?

Question 48 48. How many rounds of DNA Replication were needed to disprove the Conservative method?

Question 49 49.

Which of the following statements does not represent the idea of acquired characteristics?

I. A body builder develops stronger muscles during the course of his life, so his son will be strong as well.

II. A cat that lost its tail will produce offspring with shorter tails.

III. Neck length in a giraffe population increased over time since taller giraffes had a competitive advantage over shorter giraffes.

Question 50 50. Consider the following scenario. The coat color gene of a population of squirrels is defined by dominant allele G which, encodes a gray coat, and recessive allele g, which encodes a black coat. In a population, genetic typing reveals the genotypic distribution to be 50 GG, 30 Gg, and 20 gg. If this population is in equilibrium, what should the genotypic frequency of the gg squirrels in this population be?

Evolution Study Guide Final Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. You will lose your work if you close or refresh this page. Good luck!

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