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11.1-11.2 Gregor Mendel &Punnett Squares Pages 262 - 266 PD -old
Goal 1 Describe how Mendel Studied inheritance in peas
[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
Goal 2 Summarize Mendel’s conclusions about inheritance
[object Object],[object Object],[object Object],[object Object],Tall plant  x  short plant  =  all tall plants P  P  F1
[object Object],[object Object],[object Object],[object Object]
Goal 3 Explain the principle of dominance
[object Object],[object Object],[object Object],F1  x  F1  =  F2 Tall plant  x  Tall plant  =  3/4 tall plants ¼ short plants
Creative commons Image credit: Madprime
[object Object],[object Object],[object Object],[object Object]
Goal 4 Describe what happens to alleles during segregation in meiosis
[object Object],[object Object],[object Object],[object Object]
[object Object]
Goal 5 Use  Punnett Squares  to:  determine  genotypic and phenotypic ratios of a cross to   Predict outcomes
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],Possible Combination Possible Combination Possible Combination Possible Combination
B b b B Parent 1 :  homozygous dominant Parent 2 :  homozygous recessive Bb Bb Bb Bb
B b B b Parent 1 :  heterozygous Parent 2 :  heterozygous bb Bb BB Bb
B b B b Genotypic ratio of offspring  1BB : 2Bb : 1bb  Phenotypic ratio of offspring  3 brown hair : 1 blond hair (75% chance)  (25% chance) bb Blond hair Bb Brown hair BB Brown hair Bb Brown hair
? ? ? ? Parent 1 :  heterozygous  (Bb) Parent 2 :  homozygous recessive (??) ?? ?? ?? ??
B b b b Parent 1 :  heterozygous  (Bb) Parent 2 :  homozygous recessive ( bb ) bb Bb Bb bb
B b b b bb Bb Bb bb Genotypic ratio of offspring  ??  :  ?? Phenotypic ratio of offspring  ??   :  ??
B b b b bb Bb Bb bb Genotypic ratio of offspring  2Bb  :  2bb Phenotypic ratio of offspring  2 brown hair   :  2 blond hair (50% chance)  (50% chance)
[object Object],[object Object],[object Object]

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Gregor Mendel & Punnett Squares

  • 1. 11.1-11.2 Gregor Mendel &Punnett Squares Pages 262 - 266 PD -old
  • 2. Goal 1 Describe how Mendel Studied inheritance in peas
  • 3.
  • 4.
  • 5.
  • 6. Goal 2 Summarize Mendel’s conclusions about inheritance
  • 7.
  • 8.
  • 9. Goal 3 Explain the principle of dominance
  • 10.
  • 11. Creative commons Image credit: Madprime
  • 12.
  • 13. Goal 4 Describe what happens to alleles during segregation in meiosis
  • 14.
  • 15.
  • 16. Goal 5 Use Punnett Squares to: determine genotypic and phenotypic ratios of a cross to Predict outcomes
  • 17.
  • 18.
  • 19.
  • 20. B b b B Parent 1 : homozygous dominant Parent 2 : homozygous recessive Bb Bb Bb Bb
  • 21. B b B b Parent 1 : heterozygous Parent 2 : heterozygous bb Bb BB Bb
  • 22. B b B b Genotypic ratio of offspring 1BB : 2Bb : 1bb Phenotypic ratio of offspring 3 brown hair : 1 blond hair (75% chance) (25% chance) bb Blond hair Bb Brown hair BB Brown hair Bb Brown hair
  • 23. ? ? ? ? Parent 1 : heterozygous (Bb) Parent 2 : homozygous recessive (??) ?? ?? ?? ??
  • 24. B b b b Parent 1 : heterozygous (Bb) Parent 2 : homozygous recessive ( bb ) bb Bb Bb bb
  • 25. B b b b bb Bb Bb bb Genotypic ratio of offspring ?? : ?? Phenotypic ratio of offspring ?? : ??
  • 26. B b b b bb Bb Bb bb Genotypic ratio of offspring 2Bb : 2bb Phenotypic ratio of offspring 2 brown hair : 2 blond hair (50% chance) (50% chance)
  • 27.