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Dihybrid Crosses

Dihybrid Crosses Quiz

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Questions

Question 1 Multiple Choice (Single Answer)

In a dihybrid cross, the F1 generation shows a phenotypic ratio of 9:3:3:1. What is the genotype ratio of the F2 generation?

  1. 9:3:3:1
  2. 1:2:1:2
  3. 3:1:1:3
  4. 1:1:1:1
Question 2 Multiple Choice (Single Answer)

In a dihybrid cross, the F1 generation shows a phenotypic ratio of 12:3:1. What is the genotype ratio of the F2 generation?

  1. 9:3:3:1
  2. 1:2:1:2
  3. 3:1:1:3
  4. 1:1:1:1
Question 3 Multiple Choice (Single Answer)

In a dihybrid cross, the F1 generation shows a phenotypic ratio of 15:1. What is the genotype ratio of the F2 generation?

  1. 9:3:3:1
  2. 1:2:1:2
  3. 3:1:1:3
  4. 1:1:1:1
Question 4 Multiple Choice (Single Answer)

In a dihybrid cross, the F1 generation shows a phenotypic ratio of 13:3. What is the genotype ratio of the F2 generation?

  1. 9:3:3:1
  2. 1:2:1:2
  3. 3:1:1:3
  4. 1:1:1:1
Question 5 Multiple Choice (Single Answer)

In a dihybrid cross, the F1 generation shows a phenotypic ratio of 7:2:1. What is the genotype ratio of the F2 generation?

  1. 9:3:3:1
  2. 1:2:1:2
  3. 3:1:1:3
  4. 1:1:1:1
Question 6 Multiple Choice (Single Answer)

In a dihybrid cross, the F1 generation shows a phenotypic ratio of 1:1:1:1. What is the genotype ratio of the F2 generation?

  1. 9:3:3:1
  2. 1:2:1:2
  3. 3:1:1:3
  4. 1:1:1:1
Question 7 Multiple Choice (Single Answer)

In a dihybrid cross, the F1 generation shows a phenotypic ratio of 3:1. What is the genotype ratio of the F2 generation?

  1. 9:3:3:1
  2. 1:2:1:2
  3. 3:1:1:3
  4. 1:1:1:1
Question 8 Multiple Choice (Single Answer)

In a dihybrid cross, the F1 generation shows a phenotypic ratio of 1:2:1. What is the genotype ratio of the F2 generation?

  1. 9:3:3:1
  2. 1:2:1:2
  3. 3:1:1:3
  4. 1:1:1:1
Question 9 Multiple Choice (Single Answer)

In a dihybrid cross, the F1 generation shows a phenotypic ratio of 9:3:4. What is the genotype ratio of the F2 generation?

  1. 9:3:3:1
  2. 1:2:1:2
  3. 3:1:1:3
  4. 1:1:1:1
Question 10 Multiple Choice (Single Answer)

In a dihybrid cross, the F1 generation shows a phenotypic ratio of 1:1:2:2. What is the genotype ratio of the F2 generation?

  1. 9:3:3:1
  2. 1:2:1:2
  3. 3:1:1:3
  4. 1:1:1:1
Question 11 Multiple Choice (Single Answer)

In a dihybrid cross, the F1 generation shows a phenotypic ratio of 1:2:2:4. What is the genotype ratio of the F2 generation?

  1. 9:3:3:1
  2. 1:2:1:2
  3. 3:1:1:3
  4. 1:1:1:1
Question 12 Multiple Choice (Single Answer)

In a dihybrid cross, the F1 generation shows a phenotypic ratio of 1:1:1:2. What is the genotype ratio of the F2 generation?

  1. 9:3:3:1
  2. 1:2:1:2
  3. 3:1:1:3
  4. 1:1:1:1
Question 13 Multiple Choice (Single Answer)

In a dihybrid cross, the F1 generation shows a phenotypic ratio of 1:1:2:4. What is the genotype ratio of the F2 generation?

  1. 9:3:3:1
  2. 1:2:1:2
  3. 3:1:1:3
  4. 1:1:1:1
Question 14 Multiple Choice (Single Answer)

In a dihybrid cross, the F1 generation shows a phenotypic ratio of 1:2:3:4. What is the genotype ratio of the F2 generation?

  1. 9:3:3:1
  2. 1:2:1:2
  3. 3:1:1:3
  4. 1:1:1:1
Question 15 Multiple Choice (Single Answer)

In a dihybrid cross, the F1 generation shows a phenotypic ratio of 1:2:3:6. What is the genotype ratio of the F2 generation?

  1. 9:3:3:1
  2. 1:2:1:2
  3. 3:1:1:3
  4. 1:1:1:1
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