Biology 107

 

 

Review Questions for Cell Division, Genetics and Evolution

Video Reviews

  1. Be able to label an unlabeled mitosis diagram.
  2. Be able to label an unlabeled meiosis diagram.
  3. Who proposed the theory of Spontaneous Generation?
  4. When a trait is coded by a series of genes all on different chromosomes, this is called what?
  5. With complete dominance and monohybrid cross, what will the phenotype and genotype ratios be in the F2?
  6. If two traits are linked, what does this mean?
  7. In a linkage cross, unexpected phenotypes are the result of what?
  8. Two cells that formed from the result of mitosis have how many chromosomes relative to the starting cell?
  9. If a trait is passed from father to son then to his son, the gene is located on which chromosome?
  10. Who proposed the laws of genetics?
  11. What would the genotype plus the environmental forces produce?
  12. What is the difference between a trait which is allelic and one that is nonallelic?
  13. Assume dark coat color is dominant over light. If you cross two dark animals of unknown parentage, what would the offspring be colored?
  14. Who is known for his work on sex inheritance and fruit flies?
  15. If two alleles are the same, this is called what?
  16. If the two alleles are different, what is this called?
  17. Where in the organism does meiosis occur?
  18. Identify the mitosis stage in the following photos.
  19. What is the first law of genetics?
  20. What does independent assortment refer to?
  21. In a dihybrid cross with complete dominance, what would the F1 phenotype ratio be?
  22. If a genetic cross produced 9/16 red tall, 3/16 red short 3/16 white tall and 1/16 white short, what was the hybrid cross (F1)?
  23. In the symbolism of "Aa", what does the "a" usually indicate?
  24. If the genotype is AaBb what would all the gamete combinations be?
  25. Who developed his own theory of evolution, just as Darwin was getting ready to publish?
  26. Give the genotype of a heterozygous dark body (D) sex-linked white eye male(w).
  27. With a backcross a heterozygous individual times homozygous recessive individual, what will the resulting phenotype ratio would be?
  28. In protein synthesis, where does transcription and translation occur?
  29. What is the role of messenger RNA?
  30. What is the role of transfer RNA?
  31. On which RNA is the anticodon located?
  32. On which RNA is the codon located?
  33. How many nitrogen bases are needed to code for one amino acid?
  34. Sickle cell anemia is a recessive trait. If both parents are carriers, what is the probability of a child with sickle cell anemia?
  35. When unrelated organisms resemble each other from a similar environment, this is an example of what kind of evolution?
  36. What is a general definition of species?
  37. How do plants use polyploidy?
  38. Give an example of a trait which is a multiple alleles.
  39. How long did it take for Darwin to finish his book "Origin of the Species" after he got back from his trip around the world?
  40. Does natural selection work on every bad gene?
  41. In a population, 99% of the people do not show a homozygous recessive disease. What percent of the population carry the bad gene?
  42. What is necessary in the process of Speciation?
  43. If two different species mate and produce viable young, but the young are infertile, what does this represent?
  44. Relate the role of repressor, regulator, promoter, operator, and operon to gene action.
  45. What is genetic drift?
  46. With incomplete dominance, what is the relationship between the number of phenotypes and the number of genotypes?
  47. What is Walter Sutton know for?
  48. What was the relationship between Darwin and Mendel?
  49. What was Weismann contribution to the understanding of evolution?
  50. What is an autosome?
  51. What does the Hardy-Weinberg Law measure?
  52. Name the conditions of the Hardy - Weinberg Law
  53. Sample cross 1
  54. Sample cross 2
  55. Sample Cross 3
  56. Sample cross 4
  57. Sample cross 5
  58. We would expect that a 24-nucleotide mRNA sequence could direct the production of a short protein that consists of AT MOST of how many amino acids?
  59. What are the functions of the "Cap", "Tail", "Exons" and "Introns" in a eukaryotic chromosome undergoing transcription.
  60. Two closely related species are in the same habitat at the same time and yet there is no sign of interbreeding. Is this an example of sympatric or allopatric species?
  61. What is the process called when a species become different through habitat selection from a common ancestor?
  62. Does the operon theory of DNA structure work for both prokaryotic and eukaryotic organisms?
  63. If a codon in mRNA contained 36 codes, and remebering that each strand has a "stop" and a "start" code, how many amino acids in a chain would it code for?
  64. Give an example of convergent evolution.
  65. Give an examples of coevolution