Genetics Practice: Dog and Flower Color Inheritance

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Explore genetics through practice questions on dog coat color inheritance and flower color inheritance. Answer correctly to progress and learn more about genotypes and phenotypes.


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  1. Inheritance Practice If you get the question correct you step forward and back if it is incorrect

  2. Hair Color for Dogs T- black t- brown Genotype: TT Phenotype: ?

  3. Black

  4. Hair Color for Dogs T- black t- brown Genotype: Tt Phenotype: ?

  5. Black

  6. Hair Color for Dogs T- black t- brown Genotype: ? Phenotype: Brown

  7. tt

  8. Flower Color R-red r- white Genotype: RR Phenotype: ?

  9. Red

  10. Flower Color R-red r- white Genotype: ? Phenotype: homozygous red

  11. RR

  12. Flower Color R-red r- white Genotype: ? Phenotype: white

  13. rr

  14. Flower Color R-red r- white Genotype: ? Phenotype: Heterozygous red

  15. Rr

  16. Genotype Vocab Use the letter R Heterozygous genotype: ?

  17. Rr

  18. Genotype Vocab Use the letter R Homozygous recessive genotype: ?

  19. rr

  20. Genotype Vocab Use the letter R Heterozygous genotype: ?

  21. Rr

  22. Genotype Vocab Use the letter R Homozygous dominant genotype: ?

  23. RR

  24. Beak Length L long beak l short beak Phenotype: short beak Genotype: ?

  25. ll

  26. INCOMPLETE DOMINANCE!!!! Flower color: T-red t- white Genotype: TT Phenotype: ?

  27. Red

  28. INCOMPLETE DOMINANCE!!!! Flower color: T-red t- white Genotype: Tt Phenotype: ?

  29. Pink

  30. INCOMPLETE DOMINANCE!!!! Flower color: T-red t- white Genotype: tt Phenotype: ?

  31. White

  32. Punnett Square Practice Complete dominance: T tall Cross two heterozygous parents What are the chances of having a tall plant? t short

  33. 75% tall

  34. Punnett Square Practice Complete dominance: T tall Cross one homozygous tall plant with one homozygous short plant What are the chances of having a tall plant? t short

  35. 100%

  36. Punnett Square Practice Complete dominance: T tall Cross one short plant with one heterozygous short plant What are the chances of having a short plant? t short

  37. 50%

  38. INCOMPLETE DOMINANCE R- red Cross two pink plants? What are the chances of having a red flowering plant? r- white

  39. 25%

  40. INCOMPLETE DOMINANCE R- red Cross one pink plant with one white plant? What are the chances of having a pink flowering plant? r- white

  41. 50%

  42. INCOMPLETE DOMINANCE R- red Cross one red plant with one white plant? What are the chances of having a pink flowering plant? r- white

  43. 100%

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