Heredity

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Heredity

  1. 1. Heredity Tuesday, March 16, 2010
  2. 2. Tuesday, March 16, 2010
  3. 3. Objectives: Tuesday, March 16, 2010
  4. 4. Objectives: Explain how genotypes (heterozygous and homozygous) contribute to phenotypic variation within a species Tuesday, March 16, 2010
  5. 5. Objectives: Explain how genotypes (heterozygous and homozygous) contribute to phenotypic variation within a species (DOK: 2) Tuesday, March 16, 2010
  6. 6. Objectives: Explain how genotypes (heterozygous and homozygous) contribute to phenotypic variation within a species (DOK: 2) Predict the probability of the occurrence of specific traits, including sex-linked traits, in an offspring by using a monohybrid cross Tuesday, March 16, 2010
  7. 7. Objectives: Explain how genotypes (heterozygous and homozygous) contribute to phenotypic variation within a species (DOK: 2) Predict the probability of the occurrence of specific traits, including sex-linked traits, in an offspring by using a monohybrid cross (DOK: 2) Tuesday, March 16, 2010
  8. 8. Tuesday, March 16, 2010
  9. 9. Genetics (Mendelian) Tuesday, March 16, 2010
  10. 10. Genetics (Mendelian) -The study of traits are passed from parents to offspring Tuesday, March 16, 2010
  11. 11. Genetics (Mendelian) -The study of traits are passed from parents to offspring Tuesday, March 16, 2010
  12. 12. Genetics (Mendelian) -The study of traits are passed from parents to offspring Heredity Tuesday, March 16, 2010
  13. 13. Genetics (Mendelian) -The study of traits are passed from parents to offspring Heredity -The transmission (passing) of traits from parents to offspring Tuesday, March 16, 2010
  14. 14. Tuesday, March 16, 2010
  15. 15. Genetics (Mendelian) Tuesday, March 16, 2010
  16. 16. Genetics (Mendelian) -The study of traits are passed from parents to offspring Tuesday, March 16, 2010
  17. 17. Genetics (Mendelian) -The study of traits are passed from parents to offspring Tuesday, March 16, 2010
  18. 18. Genetics (Mendelian) -The study of traits are passed from parents to offspring Heredity Tuesday, March 16, 2010
  19. 19. Genetics (Mendelian) -The study of traits are passed from parents to offspring Heredity -The transmission (passing) of traits from parents to offspring Tuesday, March 16, 2010
  20. 20. Tuesday, March 16, 2010
  21. 21. Gregor Mendel Tuesday, March 16, 2010
  22. 22. Gregor Mendel “Father of Genetics” Tuesday, March 16, 2010
  23. 23. Tuesday, March 16, 2010
  24. 24. Pea Plants Tuesday, March 16, 2010
  25. 25. Tuesday, March 16, 2010
  26. 26. Self-pollination Tuesday, March 16, 2010
  27. 27. Self-pollination -When pollen from a plant is transferred to a flower on the same plant Tuesday, March 16, 2010
  28. 28. Self-pollination -When pollen from a plant is transferred to a flower on the same plant Cross-pollination Tuesday, March 16, 2010
  29. 29. Self-pollination -When pollen from a plant is transferred to a flower on the same plant Cross-pollination -When pollen from a plant is transferred to a flower on a different plant Tuesday, March 16, 2010
  30. 30. Tuesday, March 16, 2010
  31. 31. Mendel studied a variety of traits. Tuesday, March 16, 2010
  32. 32. Mendel studied a variety of traits. Tuesday, March 16, 2010
  33. 33. Tuesday, March 16, 2010
  34. 34. Trait Tuesday, March 16, 2010
  35. 35. Trait -A genetically determined variant of a characteristic Tuesday, March 16, 2010
  36. 36. Trait -A genetically determined variant of a characteristic Trait vs. Characteristic Tuesday, March 16, 2010
  37. 37. Trait -A genetically determined variant of a characteristic Trait vs. Characteristic -If the characteristic is “eye color”, BLUE EYES would be a possible trait. Tuesday, March 16, 2010
  38. 38. Tuesday, March 16, 2010
  39. 39. A DOMINANT gene will always cover or mask a RECESSIVE allele. Tuesday, March 16, 2010
  40. 40. A DOMINANT gene will always cover or mask a RECESSIVE allele. Tuesday, March 16, 2010
  41. 41. Tuesday, March 16, 2010
  42. 42. True Breeding Tuesday, March 16, 2010
  43. 43. True Breeding -Plants that are PURE for a trait and always produce offspring with that trait when they SELF- pollinate. Tuesday, March 16, 2010
  44. 44. True Breeding -Plants that are PURE for a trait and always produce offspring with that trait when they SELF- pollinate. Tuesday, March 16, 2010
  45. 45. Tuesday, March 16, 2010
  46. 46. P Generation Tuesday, March 16, 2010
  47. 47. P Generation -Parent generation in a genetic cross Tuesday, March 16, 2010
  48. 48. P Generation -Parent generation in a genetic cross F1 generation Tuesday, March 16, 2010
  49. 49. P Generation -Parent generation in a genetic cross F1 generation -First generation offspring resulting from a cross bet ween the parents Tuesday, March 16, 2010
  50. 50. P Generation -Parent generation in a genetic cross F1 generation -First generation offspring resulting from a cross bet ween the parents F2 generation Tuesday, March 16, 2010
  51. 51. P Generation -Parent generation in a genetic cross F1 generation -First generation offspring resulting from a cross bet ween the parents F2 generation -Second generation offspring resulting from a cross bet ween the F1 offspring Tuesday, March 16, 2010
  52. 52. Tuesday, March 16, 2010
  53. 53. Tuesday, March 16, 2010
  54. 54. Allele Tuesday, March 16, 2010
  55. 55. Allele -2 or more alternative forms of a gene Tuesday, March 16, 2010
  56. 56. Allele -2 or more alternative forms of a gene Genotype Tuesday, March 16, 2010
  57. 57. Allele -2 or more alternative forms of a gene Genotype -Genetic makeup of an organism inherited from its parents (alleles) Tuesday, March 16, 2010
  58. 58. Allele -2 or more alternative forms of a gene Genotype -Genetic makeup of an organism inherited from its parents (alleles) Phenotype Tuesday, March 16, 2010
  59. 59. Allele -2 or more alternative forms of a gene Genotype -Genetic makeup of an organism inherited from its parents (alleles) Phenotype -The appearance of an organism (tall or short) Tuesday, March 16, 2010
  60. 60. Tuesday, March 16, 2010
  61. 61. Homozygous Tuesday, March 16, 2010
  62. 62. Homozygous -When both alleles in a pair are the same (TT or tt) Tuesday, March 16, 2010
  63. 63. Homozygous -When both alleles in a pair are the same (TT or tt) Heterozygous Tuesday, March 16, 2010
  64. 64. Homozygous -When both alleles in a pair are the same (TT or tt) Heterozygous -When 2 alleles in a pair are different (Tt) Tuesday, March 16, 2010
  65. 65. Tuesday, March 16, 2010
  66. 66. Punnett Square Tuesday, March 16, 2010
  67. 67. Punnett Square Tool used to predict the probable offspring in a genetic cross Tuesday, March 16, 2010
  68. 68. Punnett Square Tool used to predict the probable offspring in a genetic cross Tuesday, March 16, 2010
  69. 69. Punnett Square Tool used to predict the probable offspring in a genetic cross Tuesday, March 16, 2010
  70. 70. Punnett Square Tool used to predict the probable offspring in a genetic cross Tuesday, March 16, 2010
  71. 71. Punnett Square Tool used to predict the probable offspring in a genetic cross Tuesday, March 16, 2010

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